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Box 2

 Container

Contains 22 Results:

244-4 1,285,818-1,695,394, Nov 1918-Dec 1928

 File — Box: 2, Folder: 21
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 1918-Dec 1928

244-4 168,788-1,228729, Oct 1875-June 1917

 File — Box: 2, Folder: 22
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 1875-June 1917