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Patents > Year granted: 1920 & National tech categories: None & Citations from after 1930: None

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Inventors:
None (39) · Harris G Hooper (3) · Francis J PLYM (3) · John William Rapp (3) · Gustave Delage (3) · Frank Frederick Simons (2) · John Edward Thompson (2) · Melville W MIX (2) · Roger Courtois-Suffit (2) · Edward Eugene Brown (2) · Louis Paulhan (2) · Ralph Hazlett UPSON (2) · Henry L. Haskell (2) · Alliott Verdon Roe (2) · Hermann Faehrmann (2)
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Applicant person:
None (26) · Frederick Handley Page (7) · KAWNEER (4) · John William Rapp (4) · James Vernon Martin (3) · HANRIOT (3) · Harris G Hooper (3) · Alliott Verdon Roe (2) · Frank Frederick Simons (2) · GOODYEAR TIRE RUBBER (2) · Roger Courtois-Suffit (2) · MOTEURS SALMSON (2) · MIX MELVILLE W (2) · Edward Eugene Brown (2) · Hermann Faehrmann (2) · Louis Paulhan (2) · Chessborough Mackenzie-Kennedy (2) · John Edward Thompson (2)
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None (13)
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CPCs:
CPC B64C39/00 (13) · CPC B64C3/00 (12) · CPC B64C2700/6256 (10) · CPC B64C13/00 (10) · CPC B64C17/00 (10) · CPC B64C2700/6295 (9) · CPC B64C3/18 (8) · CPC B64C2700/6233 (7) · CPC B62C5/04 (7) · CPC B64C3/185 (5) · CPC B64C2001/0081 (5) · CPC B64C11/04 (5) · CPC B64C23/005 (5) · CPC B64C2700/6218 (4)
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