Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : DE or US & Tech fields : balloon or propeller

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None (69)
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Patent agent:
None (152) · Victor J. Evans (9) · Munn & Co. (7) · Watson E. Coleman (6) · None (4) · R. S. & A. B. Lacey (4) · Michael J. Stark & Sons (4) · C. A. Snow & Co. (3) · Knight Bros. (2) · Herbert W. T. Jenner (2) · Chandler & Chandler (2) · C. A. Knowles (2) · G. H. Strong (2) · B. Singer (2) · Alexander Denes (2) · Dodge & Sons (2) · Joshua R. H. Potts (2)
National tech categories:
None (44) · DE 77h.6 (19) · USPC 244/6 (11) · DE 77h.4 (9) · USPC 244/13 (8) · USPC 244/66 (8) · USPC 244/73R (8) · USPC 244/51 (7) · USPC 244/97 (7) · USPC 244/11 (6) · USPC 244/87 (6) · USPC 244/72 (6) · USPC 244/22 (6) · USPC 244/139 (6) · USPC 244/60 (6) · USPC 244/80 (5) · USPC 244/46 (5) · USPC 244/20 (5) · USPC 244/17.21 (5) · USPC 244/25 (5)
IPCs:
None (233) · IPC B64B1/00 (9) · IPC B64C39/00 (7) · IPC B64C33/00 (6) · IPC B64B1/58 (4) · IPC B64C11/16 (3) · IPC B64C33/02 (3) · IPC B64C3/00 (3) · IPC B64C11/34 (2) · IPC B64C11/06 (2) · IPC B64C27/00 (2) · IPC B64B1/62 (2) · IPC B64B1/08 (2)
CPCs:
CPC B64B1/00 (26) · None (25) · CPC B64C23/005 (21) · CPC B64C2700/6295 (16) · CPC B64B1/40 (13) · CPC B64C33/02 (12) · CPC B64C39/005 (11) · CPC B64B1/58 (10) · CPC B64C11/006 (9) · CPC B64C17/00 (8) · CPC B64C39/08 (8) · CPC B64B1/62 (8) · CPC B64C11/48 (8) · CPC B64C27/82 (6) · CPC B64C33/00 (6) · CPC B64C3/385 (6) · CPC B64C29/0033 (5) · CPC B64C9/00 (5)
First filing:
Citations from after 1930:
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