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Patents > Tech fields : Control or propulsion & Grant date: 1919

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None (7) · Harris Booth (4) · Robert Ingersoll Eustis (3) · Seth Hart (3) · Harold Ingram Sidgwick (2) · John Edward Thompson (2) · John William Copley (2) · Émile Letord (2) · René Caudron (2) · René-Joseph-Ghislain Straunard (2) · Richard Fitz Power (2) · James Frederick Verner (2) · William Deshler Warner (2) · Claude Grahame-White (2) · Wilfrid Thomas Reid (2)
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None (9) · Harris Booth (4) · Seth Hart (3) · Robert Ingersoll Eustis (3) · Richard Fitz Power (2) · James Frederick Verner (2) · Harold Ingram Sidgwick (2) · John Edward Thompson (2) · John William Copley (2) · René Caudron (2) · René-Joseph-Ghislain Straunard (2) · Émile Letord (2) · Claude Grahame-White (2) · William Deshler Warner (2) · Wilfrid Thomas Reid (2)
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None (15) · 324718 (2)
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None (13) · Brewer & Son (6) · Lavoix et Mosès (5) · Boult, Wade & Tennant (4) · G. F. Redfern & Co. (4) · Marks & Clerk (3) · None (3) · L. Chassevent (2) · Herbert Haddan & Co. (2) · Haseltine, Lake & Co. (2) · M. Zerolo (2) · John P. Tarbox (2) · Dony and Lejeune (2)
CPCs:
CPC B64C13/00 (17) · CPC B64C2700/6256 (12) · None (10) · CPC B64C13/24 (5) · CPC B64C13/12 (5) · CPC B64C11/36 (4) · CPC B64C17/00 (3) · CPC B64C2700/6281 (2) · CPC B64C27/04 (2) · CPC B64C13/30 (2) · CPC B64C13/02 (2) · CPC B64C2700/6218 (2) · CPC B64B1/62 (2) · CPC B64C11/006 (2)
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