Drilldown: Patents

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Patents > Office : IT or NZ or RU or US & Tech fields: safety & Cites these patents : USPC 244/87 or None

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Office: (Click arrow to add another value)
Inventors:
John J. Rectenwald (5) · Eugene F. Falconnet (2) · Joel Trout Rice (2) · Nazaire Lacrotte (2) · Reinhold Schmiechen (2) · Ralph P. Fox (2) · William Andrew Hutson (2) · François M. Rilleau (2) · Howard de Walden (2) · Hans Knudsen (2) · Ralph Hazlett Upson (2)
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Applicant person:
None (26) · John J. Rectenwald (5) · Joel Trout Rice (2) · Ralph P. Fox (2) · Reinhold Schmiechen (2) · François M. Rilleau (2) · Howard de Walden (2) · Nazaire Lacrotte (2) · Eugene F. Falconnet (2) · Hans Knudsen (2)
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None (53)
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National tech categories:
None (14) · USPC 244/139 (10) · USPC 244/30 (9) · USPC 244/99 (5) · USPC 244/32 (5) · USPC 244/142 (4) · USPC 244/147 (4) · IT 8 (4) · USPC 244/17.15 (4) · USPC 244/98 (4) · USPC 244/144 (4) · USPC 244/45R (4) · USPC 244/29 (3) · USPC 2/2.14 (3) · USPC 244/52 (3) · USPC 244/97 (3) · USPC 244/149 (3)
CPCs:
CPC B64B1/00 (20) · None (15) · CPC B64B1/40 (10) · CPC B64C27/006 (5) · CPC B64D17/80 (5) · CPC B64C2201/00 (3) · CPC B64C17/00 (3) · CPC B64C13/00 (3) · CPC B64C2700/6295 (3) · CPC B64D17/00 (3) · CPC B64B1/62 (3) · CPC B64C39/08 (3) · CPC B64C35/00 (3)
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Citations from after 1930:
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