Box 20
Container
Contains 21 Results:
244-68 801,321-2,341,577, Oct 1905-Feb 1944
File — Box: 20, 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:
Oct 1905-Feb 1944
244-69 1,263,757-4,426,049, Apr 1918-Jan 1984
File — Box: 20, 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:
Apr 1918-Jan 1984
244-70 1,362,466-2,501,315, Dec 1920-Mar 1950
File — Box: 20, 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:
Dec 1920-Mar 1950
244-71 50,365-1,464,233, Oct 1865-Aug 1923
File — Box: 20, Folder: 15
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 1865-Aug 1923
244-72 291,990-993,623, Jan 1884-May 1911
File — Box: 20, Folder: 16
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 1884-May 1911
244-72 1,013,560-4,081,155, Jan 1912-Mar 1978
File — Box: 20, Folder: 17
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 1912-Mar 1978
244-73 2,502,045-3,502,288, Mar 1950-Mar 1970
File — Box: 20, Folder: 18
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 1950-Mar 1970
244-73 1,828,819-2,041,789, Oct 1931-May 1936
File — Box: 20, Folder: 19
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 1931-May 1936
244-73 2,041,790-2,488,174, May 1936-Nov 1949
File — Box: 20, Folder: 20
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 1936-Nov 1949
244-73 1,179,991-1,133,609, Mar 1915-Feb 1916
File — Box: 20, 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:
Mar 1915-Feb 1916
