AIRSHIP
United States Patent 3456903
US Patent References:
Power driven balloon
- - 2275771
Airship
- - 2396494
Airship
- - 2478792
Airship
- - 3346216
Power driven balloon
- - 2275771
Airship
- - 2396494
Airship
- - 2478792
Airship
- - 3346216
Inventors:
Papst, Hermann Ernst Robert
Publication Date:
07/22/1969
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Export Citation:
Assignee:
Hermann, Ernst Robert Papst
Primary Class:
Other Classes:
244/126, 244/128, 244/99, 244/52, 244/61
International Classes:
B32B15/08; B64B1/00; B64B1/12; B64B1/58; B64B1/60; B64B1/62; B64B1/64; B64B1/06; B64B1/36; B64B1/58
Foreign References:
| GB191502508A | ||||
| NL57542C | ||||
| DE316005C |