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Patents > Year granted: 1911 & Tech fields : ballonet or propeller

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Inventors:
None (3) · John Anderson (3) · Albert Hugo Friedel (3) · Wesley Wait (2) · Richard Wilcke (2) · Spencer Heath (2) · Johann Schütte (2) · Albert Graff (2)
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Applicant person:
None (20) · Albert Hugo Friedel (3) · John Anderson (2) · Wesley Wait (2) · Spencer Heath (2) · И. Шютте (2) · Johann Schütte (2)
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None (26)
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Patent agent:
None (48) · Victor J. Evans (4) · R. S. & A. B. Lacey (3) · H. C. Everett Co. (3) · G. H. Strong (2) · Dodge & Sons (2) · Munn & Co. (2) · None (2) · C. A. Snow & Co. (2) · Marks & Clerk (2) · Armengaud jeune (2)
National tech categories:
None (20) · FR 6.4 (9) · USPC 244/6 (6) · USPC 244/60 (5) · USPC 244/139 (5) · RU Group V (5) · USPC 244/13 (5) · USPC 244/66 (4) · USPC 244/11 (4) · USPC 244/80 (4) · USPC 244/50 (3) · USPC 244/48 (3) · USPC 244/22 (3) · USPC 244/87 (3)
CPCs:
None (18) · CPC B64C23/005 (12) · CPC B64B1/00 (8) · CPC B64C2700/6295 (7) · CPC B64C39/005 (6) · CPC B64C17/00 (5) · CPC B64C33/00 (5) · CPC B64C29/0033 (4) · CPC B64C33/02 (4) · CPC B64C11/006 (3) · CPC B64C39/00 (3) · CPC B64C3/385 (3) · CPC B64C3/14 (3) · CPC B64C39/026 (3) · CPC B64C39/08 (3)
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Cites these patents:
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