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Patents > Year filed: 1910 - 1919 & Applicant type : AGENT or INDIV & Tech fields : Airship or construction or propellers or rudder

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FR 6.4 (388) · None (316) · HU V/h (102) · BE K (75) · AT 77d (38) · FR 6.2 (32) · DE 77h.5 (10) · CH 129b (9) · USPC 244/87 (9) · USPC 244/90R (8) · NL 62 (7) · DE 77h.6 (7) · USPC 244/35R (7) · USPC 244/51 (6) · USPC 244/66 (5) · USPC 244/50 (5) · USPC 244/233 (5) · USPC 244/22 (5)
IPCs:
None (465) · IPC B64C39/00 (69) · IPC B64C11/00 (58) · IPC B64C17/00 (47) · IPC B64C1/00 (47) · IPC B64B1/00 (39) · IPC B64C3/00 (36) · IPC B64C3/18 (23) · IPC B64C11/16 (20) · IPC B64C11/04 (20) · IPC B64C23/00 (17) · IPC B64C13/00 (16) · IPC B64B1/58 (16) · IPC B64C25/00 (14) · IPC B64C1/06 (13) · IPC B64C11/20 (13) · IPC B63H1/12 (12) · IPC B64C35/00 (12) · IPC B64C3/54 (11)
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