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Patents > National tech categories : USPC 244/3.23 or USPC 244/45R

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Office:
Inventors:
Benjamin Talbot Babbitt Hyde (3) · None (3) · Andrew Gaul, Jr. (3) · Halvor Halvorson (2) · William Whitney Christmas (2) · Ralph P. Fox (2) · George E. Wells (2) · Frank M. Ashley (2)
Inventor country:
Applicant person:
None (19) · Andrew Gaul, Jr. (3) · Benjamin Talbot Babbitt Hyde (3) · George E. Wells (2) · Frank M. Ashley (2) · Charles Spear (2) · Ralph P. Fox (2)
Applicant is inventor:
Tech fields:
Full specification filed date:
Application number:
None (63)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (43) · Munn & Co. (6) · Victor J. Evans (5) · None (4)
National tech categories: (Click arrow to add another value)
CPCs:
CPC B64C2700/6295 (42) · CPC F42B10/30 (34) · CPC B64C39/08 (31) · None (8) · CPC B64C1/26 (3) · CPC B64C9/00 (2) · CPC B64C13/00 (2) · CPC F42B10/16 (2) · CPC B64C 39/08 (2) · CPC F42B10/34 (2) · CPC B64C39/06 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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