Drilldown: Patents

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Patents > Office : DE or DK or FR or IT or UN or None & Applicant person : Everard Richard Calthrop or None & National tech categories : DE 77h.6 or FR 5

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None (9) · Louis-Constant-Célestin Magois (5) · Christian Lorenzen (5) · Anacharsis Menier (3) · Richard Boyman-Boyman (2) · Hellmuth Hirth (2) · de Louvrie (2) · Rablat (2) · Nicholas de Telescheff (2) · Michniewicz (2) · Jakob Haw (2) · Victor-Armand Prou (2) · Jean-Sébastien Menier (2)
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balloon (33) · Navigation (30) · LTA (27) · propeller (26) · propulsion (18) · None (10) · Aerostat (7) · aerial navigation (6) · Aerial Navigation* (5) · subsystem (4) · airplane (4) · Parachute (4) · helicopter (3) · balloon navigation (3) · fuel (3) · dirigible (3)
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Showing below up to 126 results in range #1 to #126.

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