Skip to main content

Box 42

 Container

Contains 18 Results:

244-139 2,934,294-4,709,884, Apr 1960-Dec 1987

 File — Box: 42, 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: Apr 1960-Dec 1987

244-140 1,251,896-2,077,910, Jan 1918-Apr 1937

 File — Box: 42, 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: Jan 1918-Apr 1937

244-140 2,087,458-4,699,336, July 1937-Oct 1987

 File — Box: 42, 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: July 1937-Oct 1987

244-140 1,024,407-2,671,622, Apr 1912-Mar 1954

 File — Box: 42, 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: Apr 1912-Mar 1954

244-141 2,699,305-4,709,885, Jan 1955-Dec 1987

 File — Box: 42, 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: Jan 1955-Dec 1987

244-142 221,885-1,310,467, Nov 1879-July 1919

 File — Box: 42, 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: Nov 1879-July 1919

244-142 1,319,546-3,529,794, Oct 1919-Sep 1970

 File — Box: 42, 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: Oct 1919-Sep 1970

244-142 2,003,205-2,342,384, May 1935-Feb 1944

 File — Box: 42, 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: May 1935-Feb 1944

244-142 2,350,480-3,434,680, June 1944-Mar 1969

 File — Box: 42, 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: June 1944-Mar 1969

244-142 3,480,238-4,730,796, Nov 1969-Mar 1988

 File — Box: 42, 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: Nov 1969-Mar 1988