Drilldown: Patents

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Patents > Tech fields: None & Filing date: 1910 - 1919 & Grant date: 1918

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Patent agent:
None (224) · Randolph, Jr. (5) · None (5) · Marks & Clerk (5) · J. S. Withers & Spooner (4) · Victor J. Evans (4) · John P. Tarbox (4) · Ch. Neulat (3) · Brewer & Son (3)
National tech categories:
None (283) · FR 6.4 (13) · HU V/h (9) · AT 77d (8) · DE 77h.5 (4) · DE 37f.8 (3) · DE 77h.9 (3) · USPC 244/119 (2) · DE 77h.6 (2)
IPCs:
None (264) · IPC B64B1/00 (7) · IPC B64C1/00 (7) · IPC B64C3/00 (6) · IPC B64C27/04 (5) · IPC B64C3/38 (5) · IPC B64C3/18 (4) · IPC B64C39/00 (4) · IPC B64C17/00 (4) · IPC B64C25/00 (3) · IPC B64C13/00 (3) · IPC B64C35/00 (2) · IPC B64C3/26 (2) · IPC B64C3/14 (2) · IPC B64C11/20 (2) · IPC B64C23/00 (2) · IPC B64C9/00 (2) · IPC B64C11/22 (2) · IPC B64C27/10 (2)
CPCs:
None (29) · CPC B64C2700/6295 (26) · CPC B64B1/00 (23) · CPC B64C13/00 (17) · CPC B64C35/00 (16) · CPC B64C17/00 (15) · CPC B64C25/60 (12) · CPC B64C3/00 (11) · CPC B64C23/005 (11) · CPC B64C33/02 (9) · CPC B64B1/40 (9) · CPC B64C3/385 (9) · CPC B64C2700/6235 (8) · CPC B64C2001/0063 (7) · CPC B64C39/08 (6) · CPC B64C2001/0081 (6) · CPC B64C39/005 (6) · CPC B64C11/006 (6) · CPC B64C3/18 (6)
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