Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Tech fields : Propulsion or lift

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Inventors:
None (14) · Charles Arthur Wragg (3) · Émile-Louis Letord (3) · John Edward Thompson (3) · Louis Blériot (2) · François-Victor Denhaut (2) · Louis Béchereau (2) · Albert Francis Zahm (2) · Jakob Haw (2) · Maurice-Achille Lécuyer (2) · Alexander Albert Holle (2)
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CPCs:
None (14) · CPC B64C23/005 (4) · CPC B64C11/00 (4) · CPC B64C2700/6274 (3) · CPC F05B2260/72 (2) · CPC F05B2240/211 (2) · CPC F03D3/067 (2) · CPC B64D27/04 (2) · CPC B64D27/00 (2) · CPC B64C39/00 (2) · CPC B64C3/00 (2) · CPC B64C2700/6233 (2) · CPC Y02T50/166 (2) · CPC B64C11/36 (2) · CPC B64C11/04 (2) · CPC B64C11/22 (2) · CPC B64C11/20 (2)
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Showing below up to 66 results in range #1 to #66.

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