United States Patent 2416958
Inventors:
Sears, William R.
Publication Date:
03/04/1947
Assignee:
NORTHROP AIRCRAFT INC
Other Classes:
244/82, 244/90B, 244/203, 244/80, 244/76C, 244/78.100
International Classes:
B64C39/10; B64C39/00
Foreign References:
| GB203654A | | | | |
| GB474065A | | | | |
| DE642042C | | | | |