Drilldown: Patents

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Patents > Tech fields : military or None & Citations from after 1930: 3-6

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Office:
Inventors:
James Robertson Porter (2) · Henry E. Krammer (2) · Paul de Crèquy (2)
Inventor country:
Applicant person:
Henry E. Krammer (2) · James Robertson Porter (2) · Paul de Crèquy (2)
Applicant type:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (27)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (9) · Munn & Co. (7) · None (3) · Church & Church (2)
National tech categories:
None (28) · USPC 244/3.23 (12) · USPC 244/119 (3) · FR 6.4 (2) · USPC 244/3.3 (2) · USPC 244/46 (2) · USPC 244/17.11 (2)
CPCs:
CPC F42B10/30 (8) · CPC B64C27/82 (4) · CPC B64C3/54 (2) · CPC B64C2700/6295 (2) · CPC B64C27/04 (2) · CPC F42B10/34 (2) · CPC B64C9/38 (2) · CPC B64B1/40 (2) · CPC B64C3/385 (2) · CPC B64B1/00 (2) · CPC B64C3/56 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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