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Patents > Year granted: 1919 & Tech fields : control or subsystem & Family year: 1900 - 1999

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Inventors:
Walter George Tarrant (10) · None (9) · Harris Booth (4) · René Caudron (3) · Claude Grahame-White (2) · James Frederick Verner (2) · John William Copley (2) · Émile Letord (2) · Dane Hurlburt (2) · Harold Ingram Sidgwick (2) · Richard Fitz Power (2) · Wilfrid Thomas Reid (2) · Walter Henry Barling (2) · Alfred John Macy (2)
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Applicant person:
Walter George Tarrant (10) · None (9) · Harris Booth (4) · René Caudron (3) · John William Copley (3) · Dane Hurlburt (2) · Wilfrid Thomas Reid (2) · Walter Henry Barling (2) · Richard Fitz Power (2) · James Frederick Verner (2) · Émile Letord (2) · Harold Ingram Sidgwick (2) · Alfred John Macy (2) · Claude Grahame-White (2)
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None (15) · 324718 (2)
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CPCs:
CPC B64C13/00 (17) · CPC B64C2700/6256 (13) · None (10) · CPC B64C13/12 (6) · CPC B64C17/00 (5) · CPC B64C13/24 (5) · CPC B64C2700/6218 (3) · CPC B64D17/00 (2) · CPC B64C2001/0063 (2) · CPC B64C13/30 (2) · CPC B64C25/50 (2) · CPC B64C13/0421 (2) · CPC B64C1/065 (2) · CPC B64C11/006 (2) · CPC B64C2700/6212 (2)
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Citations from after 1930:
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