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Patents > Year granted: 1911 & Office : AT or US

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None (364) · Illinois (4) · TX (4) · Bexar county (4) · San Antonio (4) · New York (3) · New York City (3) · Paris (2) · Los Angeles (2) · New York county (2) · Oklahoma (2) · PA (2) · Connecticut (2) · Chicago (2) · Pittsburgh (2) · Allegheny county, Pennsylvania (2)
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Patent agent:
None (185) · Munn & Co. (19) · Victor J. Evans (17) · H. C. Evert & Co. (7) · Joshua R. H. Potts (6) · C. A. Snow & Co. (6) · H. B. Willson & Co. (5) · None (5) · E. E. Vrooman (3) · G. H. Strong (3) · Lincoln Sonntag (3) · R. S. & A. B. Lacey (3) · A. M. Pierce (3) · Watson E. Coleman (3)
National tech categories:
None (42) · AT 77d (23) · USPC 244/80 (19) · USPC 244/90R (17) · USPC 244/139 (13) · USPC 244/45R (12) · USPC 244/66 (11) · USPC 244/22 (11) · USPC 244/6 (10) · USPC 244/48 (9) · USPC 244/13 (6) · USPC 244/144 (6) · USPC 244/119 (6) · USPC 244/233 (6) · USPC 244/50 (6) · USPC 244/60 (6) · USPC 244/51 (6) · USPC 244/87 (6) · USPC 244/89 (6)
CPCs:
None (58) · CPC B64C2700/6295 (29) · CPC B64C17/00 (28) · CPC B64C13/00 (28) · CPC B64C23/005 (25) · CPC B64B1/00 (17) · CPC B64C3/385 (15) · CPC B64C33/02 (15) · CPC B64C39/08 (14) · CPC B64B1/40 (11) · CPC B64C29/0033 (9) · CPC B64C9/00 (9) · CPC B64C33/00 (8) · CPC B64C13/24 (7) · CPC B64C29/0025 (7) · CPC B64C11/343 (6) · CPC B64C3/14 (6) · CPC A63H27/08 (5) · CPC B64C11/006 (5)
First filing:
Citations from after 1930:

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