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Box 31

 Container

Contains 15 Results:

244-102 2,351,215-2,554,938, Jun 1944-May 1957

 File — Box: 31, Folder: 1
Scope and Content From the Collection: The Lockheed Martin Aeronautical Patent Collection documents innovations in aviation from the mid-19th century through most of the 20th century. These patents pertain to everything from dirigibles and gliders to modern day jet engines and in-flight refueling methods. Researchers who utilize these records can learn much about aviation before the first sustained and controlled heavier-than-air flight and its advancements since. The collection is arranged into series based on the original...
Dates: Jun 1944-May 1957

244-102 2,255,592-2,347,847, Sep 1941-May 1944

 File — Box: 31, Folder: 2
Scope and Content From the Collection: The Lockheed Martin Aeronautical Patent Collection documents innovations in aviation from the mid-19th century through most of the 20th century. These patents pertain to everything from dirigibles and gliders to modern day jet engines and in-flight refueling methods. Researchers who utilize these records can learn much about aviation before the first sustained and controlled heavier-than-air flight and its advancements since. The collection is arranged into series based on the original...
Dates: Sep 1941-May 1944

244-103 3,339,865-4,723,350, Sep 1967-Mar 1988

 File — Box: 31, Folder: 3
Scope and Content From the Collection: The Lockheed Martin Aeronautical Patent Collection documents innovations in aviation from the mid-19th century through most of the 20th century. These patents pertain to everything from dirigibles and gliders to modern day jet engines and in-flight refueling methods. Researchers who utilize these records can learn much about aviation before the first sustained and controlled heavier-than-air flight and its advancements since. The collection is arranged into series based on the original...
Dates: Sep 1967-Mar 1988

244-103 2,690,889-3,313,501, Oct 1954-Apr 1967

 File — Box: 31, Folder: 4
Scope and Content From the Collection: The Lockheed Martin Aeronautical Patent Collection documents innovations in aviation from the mid-19th century through most of the 20th century. These patents pertain to everything from dirigibles and gliders to modern day jet engines and in-flight refueling methods. Researchers who utilize these records can learn much about aviation before the first sustained and controlled heavier-than-air flight and its advancements since. The collection is arranged into series based on the original...
Dates: Oct 1954-Apr 1967

244-103 2,460,387-2,677,516, Feb 1949-Mar 1954

 File — Box: 31, Folder: 5
Scope and Content From the Collection: The Lockheed Martin Aeronautical Patent Collection documents innovations in aviation from the mid-19th century through most of the 20th century. These patents pertain to everything from dirigibles and gliders to modern day jet engines and in-flight refueling methods. Researchers who utilize these records can learn much about aviation before the first sustained and controlled heavier-than-air flight and its advancements since. The collection is arranged into series based on the original...
Dates: Feb 1949-Mar 1954

244-103 2,110,516-2,457,899, Mar 1938-Jan 1949

 File — Box: 31, Folder: 6
Scope and Content From the Collection: The Lockheed Martin Aeronautical Patent Collection documents innovations in aviation from the mid-19th century through most of the 20th century. These patents pertain to everything from dirigibles and gliders to modern day jet engines and in-flight refueling methods. Researchers who utilize these records can learn much about aviation before the first sustained and controlled heavier-than-air flight and its advancements since. The collection is arranged into series based on the original...
Dates: Mar 1938-Jan 1949

244-103 27,450-2,069,994, Feb 1937-Aug 1972

 File — Box: 31, Folder: 7
Scope and Content From the Collection: The Lockheed Martin Aeronautical Patent Collection documents innovations in aviation from the mid-19th century through most of the 20th century. These patents pertain to everything from dirigibles and gliders to modern day jet engines and in-flight refueling methods. Researchers who utilize these records can learn much about aviation before the first sustained and controlled heavier-than-air flight and its advancements since. The collection is arranged into series based on the original...
Dates: Feb 1937-Aug 1972

244-104 15,656-1,246,021, Nov 1917-Jul 1923

 File — Box: 31, Folder: 8
Scope and Content From the Collection: The Lockheed Martin Aeronautical Patent Collection documents innovations in aviation from the mid-19th century through most of the 20th century. These patents pertain to everything from dirigibles and gliders to modern day jet engines and in-flight refueling methods. Researchers who utilize these records can learn much about aviation before the first sustained and controlled heavier-than-air flight and its advancements since. The collection is arranged into series based on the original...
Dates: Nov 1917-Jul 1923

244-104 2,942,809-4,729,529, Jun 1960-Mar 1988

 File — Box: 31, Folder: 9
Scope and Content From the Collection: The Lockheed Martin Aeronautical Patent Collection documents innovations in aviation from the mid-19th century through most of the 20th century. These patents pertain to everything from dirigibles and gliders to modern day jet engines and in-flight refueling methods. Researchers who utilize these records can learn much about aviation before the first sustained and controlled heavier-than-air flight and its advancements since. The collection is arranged into series based on the original...
Dates: Jun 1960-Mar 1988

244-104 2,272,699-2,379,388, Feb 1942-Jun 1945

 File — Box: 31, Folder: 10
Scope and Content From the Collection: The Lockheed Martin Aeronautical Patent Collection documents innovations in aviation from the mid-19th century through most of the 20th century. These patents pertain to everything from dirigibles and gliders to modern day jet engines and in-flight refueling methods. Researchers who utilize these records can learn much about aviation before the first sustained and controlled heavier-than-air flight and its advancements since. The collection is arranged into series based on the original...
Dates: Feb 1942-Jun 1945