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Patents > Office: Other & Tech fields: None & Grant date: 1912

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None (195) · Victor J. Evans (7) · Munn & Co. (5) · None (5) · Joshua R. H. Potts (3) · A. B. Bowman (2) · C. A. Snow & Co. (2) · S. Sokal (2) · Schwab (2) · Sigmund Herzog (2) · Marks & Clerk (2) · J. Fayollet (2) · Frederick Benjamin (2)
National tech categories:
None (106) · FR 6.4 (20) · USPC 244/90R (10) · USPC 244/48 (8) · USPC 244/45R (8) · USPC 244/76R (8) · USPC 244/22 (7) · USPC 244/93 (6) · USPC 244/234 (5) · USPC 244/80 (5) · USPC 244/233 (4) · USPC 244/231 (4) · USPC 244/87 (4) · USPC 244/144 (4) · USPC 244/51 (3) · USPC 244/30 (3) · USPC 244/225 (3) · USPC 244/66 (3) · USPC 244/119 (3) · USPC 244/46 (3)
CPCs:
CPC B64C2700/6295 (39) · CPC B64C13/00 (24) · CPC B64C3/385 (24) · CPC B64C23/005 (20) · CPC B64C17/00 (18) · CPC B64C39/00 (17) · CPC B64C33/02 (13) · CPC B64C13/24 (12) · CPC B64C39/08 (11) · None (11) · CPC B64C3/00 (8) · CPC B64C11/006 (7) · CPC B64C3/14 (6) · CPC B64C2700/6274 (6) · CPC B64C39/005 (5) · CPC B64C2700/6235 (5) · CPC B64B1/00 (5) · CPC B64C2700/6281 (5) · CPC B64C2700/6256 (5) · CPC B64C27/006 (5)
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