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Box 28

 Container

Contains 20 Results:

244-88 149,012-2,687,858, Mar 1874-Aug 1954

 File — Box: 28, 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: Mar 1874-Aug 1954

244-89 884,432-4,010,920, Apr 1908-Mar 1977

 File — Box: 28, 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: Apr 1908-Mar 1977

244-90 2,053,064-2,206,475, Sep 1936-Jul 1940

 File — Box: 28, 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 1936-Jul 1940

244-90 2,207,387-2,337,812, Jul 1940-Dec 1943

 File — Box: 28, 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: Jul 1940-Dec 1943

244-90 19,651-1,018,474, Feb 1912-Jul 1935

 File — Box: 28, 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 1912-Jul 1935

244-90 1,019,782-1,054,484, Mar 1912-Feb 1913

 File — Box: 28, 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 1912-Feb 1913

244-90 1,841,804-1,891,354, Jan 1932-Dec 1932

 File — Box: 28, 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: Jan 1932-Dec 1932

244-90 1,892,927-2,044,357, Jan 1933-Jun 1936

 File — Box: 28, 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: Jan 1933-Jun 1936

244-90 1,561,619-1,761,481, Nov 1925-Jun 1930

 File — Box: 28, 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: Nov 1925-Jun 1930

244-90 1,763,228-1,837,132, Jun 1930-Dec 1931

 File — Box: 28, 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: Jun 1930-Dec 1931