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Patents > Supplementary to patent: None & IPCs : IPC B64B1/00 or IPC CPC B64C13/00

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Tech fields:
LTA (280) · navigation (76) · balloon (62) · propulsion (62) · frame (56) · dirigible (41) · airship (37) · stability (34) · hybrid (28) · airplane (28) · car (27) · Safety (25) · construction (25) · propeller (23) · Design (23) · control (21) · rudder (20) · balloons (17) · None (17) · rigid (17)
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Patent agent:
None (185) · None (15) · Armengaud jeune (10) · Munn & Co. (8) · Chassevent (8) · Hippolyte Josse (6) · Boramé et Julien (6) · Lavoix et Mosès (5) · C. Blétry (5) · Brandon frères (5) · Marks & Clerk (4) · E. Blétry (3) · Ad. Sturm (3) · Haseltine, Lake & Co. (3) · Brewer & Son (3) · De Bonge (3)
National tech categories:
FR 6.4 (147) · FR 6.3 (46) · None (45) · USPC 244/30 (32) · USPC 244/26 (16) · USPC 244/25 (14) · DE 77h.2 (10) · USPC 244/29 (7) · USPC 244/97 (7) · USPC 244/96 (6) · USPC 24/713.8 (5) · USPC 244/67 (5) · USPC 244/32 (5) · USPC 244/127 (4) · DE 77 (4) · DE 77h (4) · USPC 104/22 (4) · USPC 244/99 (4) · USPC 244/125 (4)
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