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Patents > Year granted: 1920 - 1929 & Tech fields : Airplane or propeller & Number of claims: 3-7

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Inventors:
None (21) · Ernst Heinkel (6) · John Edward Thompson (3) · Jules Gastambide (2) · Albert Francis Zahm (2) · Hans Josef Goebbel (2) · Franz Schneider (2) · John Arthur Weis (2) · Lawrence Burst Sperry (2) · Louis Renault (2) · Robert Gastambide (2) · Walter George Tarrant‎ (2)
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None (36)
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CPCs:
None (23) · CPC B64C3/00 (11) · CPC B64C2700/6233 (6) · CPC B64C11/04 (4) · CPC B64C39/00 (3) · CPC B64C23/005 (3) · CPC B64C3/56 (3) · CPC B64C3/54 (2) · CPC B64C2700/6274 (2) · CPC B64C1/26 (2) · CPC B64C11/00 (2) · CPC B64C11/36 (2) · CPC B64C9/02 (2) · CPC B64D27/00 (2)
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Showing below up to 77 results in range #1 to #77.

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