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Patents > Inventor country: None & Patent agent: None & Assigned to : Western Electric Company or None

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None (2819) ·   (7) · Patent FR-1880-139386 (3) · Patent US-1913-04-21 George Raymond Lawrence (2) · Patent FR-1881-143264 (2) · Patent BE-1913-253298 (2)
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National tech categories:
None (2435) · FR 6.3 (50) · GB 4 with buoyant (20) · GB 4 propel & steer (19) · GB 4 (19) · USPC 244/139 (18) · USPC 244/147 (17) · USPC 244/142 (16) · DE 77 (13) · USPC 244/153R (13) · GB 4 without buoyant (11) · USPC 244/53A (9) · USPC 244/149 (9) · FR 5 (8) · DE 77h.5 (8) · GB 4 aërostats (7) · HU V/h (7) · FR 6.4 (6) · USPC 244/144 (6) · USPC 244/3.1 (6)
IPCs:
None (2815) · IPC B64C23/00 (5) · IPC B64C39/00 (4) · IPC B63H1/12 (3) · IPC B64C11/00 (3) · IPC B64B1/00 (3) · IPC B64C3/00 (2) · IPC B64C17/00 (2) · IPC B64C11/32 (2) · IPC B64C3/56 (2) · IPC B64C1/00 (2) · IPC B64B1/58 (2) · IPC B64C31/06 (2) · IPC B64C33/02 (2) · IPC B64C27/04 (2) · IPC B64D27/00 (2) · IPC F41G3/24 (2)
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