Drilldown: Patents

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Patents > Office : DE or JP or SE or Other & Inventor country: None & CPCs : CPC B64C2700/6212 or None & Number of figures: None

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None (2004) ·   (7) · Patent FR-1880-139386 (3) · Patent BE-1913-253298 (2) · Patent FR-1900-299924 (2) · Patent DE-1899-123884 (2) · Patent FR-1881-143264 (2) · 1 (2)
Patent agent:
None (1894) · Desnos (13) · Blétry aîné (11) · Armengaud jeune (10) · Dieuaide (8) · Chassevent (7) · Société Marillier et Robelet (6) · Dumas (5) · Casalonga (4) · Société Louis Gudman et Cie (4) · Nauhardt (4) · Armengaud aîné (4) · Fayollet (3) · Société Matray frères (3) · Société Thirion et Bonnet (3) · Thirion (3) · Caron (3) · Duvinage (3) · Alfred Julius Boult (3) · Bardin (3)
National tech categories:
None (1535) · FR 6.3 (190) · GB 4 propel & steer (22) · GB 4 with buoyant (22) · GB 4 (19) · USPC 244/139 (17) · USPC 244/147 (17) · USPC 244/142 (15) · BE K (15) · USPC 244/153R (12) · GB 4 without buoyant (12) · USPC 244/53A (9) · USPC 244/149 (8) · GB 4 aërostats (8) · USPC 244/144 (7) · FR 5 (7) · FR 6 (7)
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