by auxiliary planes or parachutes

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Patents Grantslast 30 patents

Information Patent Grant
3642234
- Patent number 3,642,234
- Issue date Feb 15, 1972
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
1866161
- Patent number 1,866,161
- Issue date Jul 5, 1932
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
1763498
- Patent number 1,763,498
- Issue date Jun 10, 1930
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
1599468
- Patent number 1,599,468
- Issue date Sep 14, 1926
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
1125850
- Patent number 1,125,850
- Issue date Jan 19, 1915
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
1123720
- Patent number 1,123,720
- Issue date Jan 5, 1915
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
1121262
- Patent number 1,121,262
- Issue date Dec 15, 1914
- B64 - AIRCRAFT AVIATION COSMONAUTICS