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Patents > Year granted: 1920 - 1929 & Applicant is inventor: No & Tech fields: None & Assigned to: None

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None (47) · Henry Kleckler (7) · Glenn Hammond Curtiss (5) · Charles B. Kirkham (4) · Ralph Hazlett UPSON (3) · Francis J PLYM (3) · Vladimir Olhovsky (2) · Louis T Frederick (2) · John W RAPP (2) · Henry L Haskell (2) · Douglas DOBBINS (2) · William L Gilmore (2) · Arthur F BLASIAR (2) · APP D AVIAT DOUTRE (2)
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None (29) · Frederick Handley Page (6) · HANRIOT (5) · NIEUPORT (5) · GOODYEAR TIRE RUBBER (4) · KAWNEER (4) · Chessborough Mackenzie-Kennedy (4) · MOTEURS SALMSON (3) · John William Rapp (2) · John DAY PREZ (2) · James Vernon Martin (2) · HASKELITE (2) · William BOHLEBER (2) · Westinghouse Electric and Manufacturing Company (2) · ERNST J OHNELL (2) · APP D AVIAT DOUTRE (2)
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CPCs:
CPC B64C3/00 (13) · CPC B64C17/00 (11) · CPC B64C2700/6295 (10) · CPC B64C39/00 (10) · CPC B64C13/00 (9) · CPC B64C2700/6256 (8) · CPC B64C2700/6233 (7) · CPC B64C11/04 (6) · CPC B64C2001/0081 (6) · CPC B64C2700/6235 (6) · CPC B64C3/185 (5) · CPC B64C2700/6274 (5) · CPC B64C2700/6212 (5) · CPC B64C23/005 (5) · CPC B64C2001/0063 (4) · CPC B64C3/18 (4) · CPC B64C2700/6218 (4)
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Showing below up to 135 results in range #1 to #135.

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