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Box 12

 Container

Contains 14 Results:

244-42 3,880,384-4,019,696, Apr 1975-Apr 1977

 File — Box: 12, Folder: 11
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 1975-Apr 1977

244-42 3,141,637-3,441,236, Jul 1964-Apr 1969

 File — Box: 12, Folder: 12
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 1964-Apr 1969

244-42 3,442,470-4,007,896, May 1969-Feb 1977

 File — Box: 12, Folder: 13
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 1969-Feb 1977

244-42 2,730,313-2,974,903, Jan 1956-Mar 1961

 File — Box: 12, Folder: 14
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 1956-Mar 1961