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Patents > Tech fields: frame & Supplementary to patent: None & Number of text pages: 3-6

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Patent agent:
None (107) · Armengaud jeune (19) · Munn & Co. (11) · None (9) · Victor J. Evans (9) · Weismann et Marx (9) · John P. Tarbox (7) · C. A. Snow & Co. (5) · Brewer & Son (5) · R. S. & A. B. Lacey (5) · Wheatley & Mackenzie (5) · 0 (4) · Dupont et Elluin (4) · Watson E. Coleman (4) · Boult, Wade & Tennant (4)
National tech categories:
FR 6.4 (96) · None (92) · HU V/h (13) · USPC 244/90R (12) · USPC 244/22 (9) · AT 77d (7) · USPC 244/139 (7) · DE 77h.5 (6) · AU 90.3 (6) · USPC 244/6 (6) · USPC 244/48 (5) · USPC 244/30 (5) · USPC 244/51 (5) · USPC 244/80 (5) · USPC 244/87 (5) · USPC 244/100R (5) · USPC 244/45R (5)
IPCs:
None (236) · IPC B64C1/00 (16) · IPC B64B1/00 (16) · IPC B64C39/00 (16) · IPC B64C3/18 (10) · IPC B64C3/00 (10) · IPC B64B1/58 (10) · IPC B64C3/56 (9) · IPC B64C17/00 (9) · IPC B64C25/00 (7) · IPC B64C33/00 (6) · IPC B64C33/02 (5) · IPC B64C23/00 (5) · IPC B64C1/06 (5) · IPC B64C13/00 (5) · IPC B64C35/00 (4) · IPC B64C1/08 (3) · IPC B64C3/38 (3) · IPC B64C3/52 (3)
CPCs:
None (67) · CPC B64B1/00 (29) · CPC B64C23/005 (21) · CPC B64C2700/6295 (20) · CPC B64C17/00 (20) · CPC B64C33/02 (20) · CPC B64C13/00 (20) · CPC B64C39/00 (14) · CPC B64C39/005 (12) · CPC B64B1/58 (11) · CPC B64C3/56 (11) · CPC B64C39/08 (10) · CPC B64C1/00 (10) · CPC B64C3/00 (9) · CPC B64C3/385 (8) · CPC B64C33/00 (8) · CPC B64C3/185 (8)
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