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Patents > Tech fields : flapping or navigation & Number of diagram pages: 2-3

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None (125)
Granted:
Supplementary to patent:
None (259) · Patent US-1909-970771 (6) · Patent FR-1900-304673 (2) · Patent US-1910-1055379 (2) · Patent US-1909-940701 (2) · Patent US-1909-1137533 (2) · Patent RU-1897-3845 (2) · Patent GB-1912-2540 (2) · Patent FR-1908-393976 (2) · Patent FR-1902-328044 (2) · Patent US-1916-1208684 (2) · Patent CH-1899-18666 (2) · Patent AT-1912-63049 (2) · Patent AT-1912-75092 (2)
Related to aircraft:
Patent agent:
None (83) · Munn & Co. (18) · Victor J. Evans (8) · C. A. Snow & Co. (7) · R. S. & A. B. Lacey (7) · Marks & Clerk (7) · None (5) · Schwab (3) · Boult, Wade & Tennant (3) · W. D. Rowlingson (3) · Lavoix et Mosès (3) · Frank Briesen (3) · Haseltine, Lake & Co. (3) · Herbert Haddan & Co. (3)
National tech categories:
None (68) · FR 6.4 (38) · USPC 244/22 (20) · FR 6.3 (12) · USPC 244/28 (10) · USPC 244/64 (9) · USPC 244/90R (9) · GB 4 propel & steer (8) · USPC 244/72 (8) · DE 77 (8) · USPC 244/27 (7) · USPC 244/6 (6) · USPC 244/70 (6) · HU V/h (5) · USPC 244/20 (5) · USPC 244/25 (5) · AT 77d (5) · USPC 244/26 (5)
IPCs:
None (200) · IPC B64B1/00 (22) · IPC B64C39/00 (19) · IPC B64C33/00 (16) · IPC B64C33/02 (14) · IPC B64C11/00 (6) · IPC B64C3/38 (5) · IPC B64B1/58 (5) · IPC G01P3/36 (4) · IPC CPC B64C13/00 (3) · IPC B64C27/00 (3) · IPC B64C23/00 (3) · IPC B64C3/52 (2) · IPC B64C3/14 (2) · IPC B64C3/00 (2) · IPC B64C23/005 (2) · IPC B64C3/54 (2) · IPC B64C17/00 (2) · IPC B64C9/00 (2) · IPC B64B1/40 (2)
CPCs:
None (73) · CPC B64C33/02 (44) · CPC B64B1/00 (42) · CPC B64C39/005 (20) · CPC B64C23/005 (17) · CPC B64C13/00 (16) · CPC B64C3/385 (11) · CPC B64C33/00 (9) · CPC B64C2700/6295 (7) · CPC B64C31/04 (7) · CPC B64C17/00 (7) · CPC B64C11/006 (7) · CPC B64B1/58 (5) · CPC B64C27/82 (5)
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