Drilldown: Patents

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Patents > Patent agent : Munn & Co. or Roy Birnbaum? & Citations from after 1930: None

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Office:
Inventors:
William Beeson (3) · Watson F. Quinby (3) · Matthew B. Sellers (2) · George Bold (2)
Inventor country:
Applicant person:
None (15) · Watson F. Quinby (3) · Matthew B. Sellers (2)
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National tech categories:
USPC 244/28 (6) · None (6) · USPC 244/22 (4) · USPC 244/64 (4) · USPC 244/30 (4) · USPC 244/16 (2) · USPC 244/233 (2) · USPC 244/234 (2) · USPC 244/100R (2) · USPC 244/34R (2) · USPC 244/96 (2)
CPCs:
CPC B64B1/00 (12) · None (5) · CPC B64C13/00 (5) · CPC B64C23/005 (3) · CPC B64B1/40 (3) · CPC B64C33/02 (3) · CPC B64C5/04 (2) · CPC B64C39/003 (2) · CPC B64C33/00 (2) · CPC B64C31/02 (2) · CPC Y02E10/20 (2)
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Showing below up to 59 results in range #1 to #59.

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