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Patents > Tech fields : balloon or frame & Granted: Yes & Number of text pages: 4-50000000

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Supplementary to patent:
None (274) · Patent US-1909-970771 (6) · Patent GB-1911-12232 (4) · Patent IT-1910-10-17 Carlo Navaro (4) · Patent GB-1908-4519 (4) · Patent GB-1911-12188 (3) · Patent GB-1912-2540 (3) · Patent AU-1911-510 (3) · Patent GB-1913-16499 (3) · Patent IT-1911-06-09 Carlo Navaro (3) · Patent FR-1902-321808 (3)
Related to aircraft:
Patent agent:
None (107) · Munn & Co. (13) · Marks & Clerk (11) · Armengaud jeune (9) · None (6) · Dupont et Elluin (6) · Haseltine, Lake & Co. (6) · Brandon frères (5) · Boult, Wade & Tennant (5) · Wheatley & Mackenzie (5) · Brewer & Son (5) · R. S. & A. B. Lacey (4) · D. Young & Co. (4) · Herbert Haddan & Co. (4) · Victor J. Evans (4)
National tech categories:
None (135) · FR 6.4 (71) · HU V/h (13) · AU 90.3 (10) · USPC 244/30 (10) · USPC 244/90R (7) · CH 129b (7) · USPC 244/80 (6) · USPC 244/139 (5) · USPC 244/22 (5) · USPC 244/45R (5) · GB 4 propel & steer (5)
IPCs:
None (244) · IPC B64C39/00 (18) · IPC B64C17/00 (16) · IPC B64C1/00 (15) · IPC B64B1/00 (15) · IPC B64C33/02 (8) · IPC B64C3/56 (8) · IPC B64C3/18 (8) · IPC B64C25/00 (6) · IPC B64C3/00 (6) · IPC B64B1/58 (5) · IPC B64C3/38 (5) · IPC B64C13/00 (5) · IPC B64C23/00 (5) · IPC B64C33/00 (4) · IPC B64B1/40 (4) · IPC B64B1/62 (3) · IPC B64C35/00 (3)
CPCs:
None (116) · CPC B64B1/00 (30) · CPC B64C17/00 (25) · CPC B64C13/00 (19) · CPC B64C2700/6295 (18) · CPC B64C33/02 (17) · CPC B64C39/00 (17) · CPC B64C23/005 (16) · CPC B64C3/385 (10) · CPC B64C39/005 (9) · CPC B64C3/56 (8) · CPC B64B1/58 (8) · CPC B64C2700/6218 (7) · CPC B64B1/40 (7) · CPC B64C1/00 (6) · CPC B64C2700/6214 (6) · CPC B64C33/00 (6) · CPC B64C39/08 (6) · CPC B64C3/18 (6)
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Citations from after 1930:

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