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Patents > Office: US & Tech fields : Propellers or None

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None (2382) · Curtiss Aeroplane (27) · Westinghouse Electric & Manufacturing Company (3) · General Electric Company (3) · Société Anonyme des Établissements Nieuport (3) · Christmas Aeroplane (2) · Magneso Calcite Fire-Proof Company (2) · Dewey Corporation (2) · Sturtevant Aeroplane Co. (2) · Connecticut Aircraft Company (2) · National Aerial Navigation & Equipment Co. (2) · Boughton Flying Machine (2) · Westinghouse Air Spring Company (2) · American Mechanical Improvement Company (2)
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Supplementary to patent:
None (2425) · Patent US-1916-1208684 (2) · Patent US-1910-1055379 (2) · Patent US-1909-970771 (2)
Related to aircraft:
Assigned to:
None (2391) · Curtiss Aeroplane (5) · Westinghouse Electric & Manufacturing Company (3) · Magneso Calcite Fire-Proof Company (2) · General Electric Company (2) · Société Anonyme des Établissements Nieuport (2) · Syracuse, NY (2) · Dewey Corporation (2) · Westinghouse Air Spring Company (2) · Sturtevant Aeroplane Co. (2)
IPCs:
None (2324) · IPC B64C39/00 (12) · IPC B64B1/00 (10) · IPC B64C13/00 (9) · IPC B64C3/38 (7) · IPC B64C25/00 (7) · IPC B64C3/00 (7) · IPC B64C1/00 (7) · IPC B64C11/00 (4) · IPC B64C35/00 (4) · IPC B64C11/20 (4) · IPC CPC B64C13/00 (3) · IPC B64C3/18 (3) · IPC B64C23/00 (3)
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Citations from after 1930:

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