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Patents > Year granted: 1910 - 1919 & Office: US & Tech fields : Airship or propeller & Number of text pages: 4-10

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Year granted:
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Inventors:
Albert Hugo Friedel (4) · Reinhold Schmiechen (3)
Inventor country:
Applicant person:
None (7) · Albert Hugo Friedel (4) · Reinhold Schmiechen (3)
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Application number:
None (5)
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Related to aircraft:
National tech categories:
None (8) · USPC 244/139 (4) · USPC 244/6 (4) · USPC 244/96 (4) · USPC 244/80 (4) · USPC 244/11 (2) · USPC 244/113 (2) · USPC 244/99.11 (2) · USPC 244/29 (2) · USPC 244/25 (2) · USPC 244/22 (2)
CPCs:
CPC B64C23/005 (9) · CPC B64B1/00 (8) · CPC B64C17/00 (6) · CPC B64C13/00 (3) · CPC B64C29/0033 (3) · CPC B64C33/02 (3) · CPC B64C39/08 (3) · CPC B64C39/005 (2) · CPC B64C39/026 (2) · CPC B64C3/385 (2) · CPC Y10T29/49332 (2)
First filing:
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Citations from after 1930:
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