Rigot et Prévost

This patent agent partnerships enters heavily into our data. Any possible relations between this “Prévost” and Modeste-Théodore Prévost and Émile-Florimond Prévost or the aero-writers A. Prévost and Maurice Prévost are yet to be determined. We only have “Rigot” in the context of this firm. Victor Prévost appears among witnesses on Patent US-1910-996613, paired with H. C. Coxe, this latter showing patterns of being paired with agents from French firms.

Patents for which Rigot et Prévost was the patent agent

• Patent FR-1905-361256 (Inventors: Franz Wondra, English title: Flying Machine, Supplementary to patent: Patent US-1904-876125)
• Patent FR-1906-362201 (Inventors: Boleslas-André Godek, English title: Improvements to aeroplanes)
• Patent FR-1909-407303.11565 (Inventors: Alphonse-Louis-Prosper Bouchet, English title: Improvements to airplanes, Supplementary to patent: Patent FR-1908-407303)
• Patent FR-1909-409039.11761 (Inventors: Charles Philippart, English title: Airplane takeoff and flight apparatus of variable speed, Supplementary to patent: Patent FR-1909-409039 • Patent BE-1909-02-06 Charles Philippart)
• Patent FR-1909-398599 (Inventors: Georges Veriga-Darewsky, English title: Improvements to driving paddles for aerostats)
• Patent FR-1910-401079.12321 (Inventors: Victor Camal, English title: Flying machine, actually the specifics mechanical and aerodynamic pertinent to lift surfaces, Supplementary to patent: Patent FR-1909-401079)
• Patent FR-1910-399206.12322 (Inventors: Pierre-Pie Cazaux, English title: Maritime and aerial lift-propeller, Supplementary to patent: Patent FR-1908-399206)
• Patent FR-1911-424620 (Inventors: Harvey George Seager, English title: Equipment to maintain equilibrium for aerial machines, Supplementary to patent: Patent GB-1910-237)
• Patent FR-1911-430578 (Inventors: Eugène-François Ruchonnet, English title: Undeformable fuselage for aviation aircraft)
• Patent FR-1911-430579 (Inventors: Eugène-François Ruchonnet, English title: Landing frame device for aircraft)
• Patent FR-1911-431578 (Inventors: Henri-Marie-Edmond de Perthuis, English title: Device used to ensure the balance of airplanes)
• Patent FR-1911-431579 (Inventors: Henri-Marie-Edmond de Perthuis, English title: Automatic stability device for airplanes)
• Patent FR-1911-432316 (Inventors: Frank Lee Slack, English title: Sighting apparatus for airplanes, Supplementary to patent: Patent US-1911-1028502)
• Patent FR-1911-434040 (Inventors: Carl Heinrich Julius Wiese, English title: Airplane; whole, Supplementary to patent: Patent GB-1911-19976)
• Patent FR-1911-434194 (Inventors: Jean Heppel, English title: Improvements to aerostats)
• Patent FR-1911-435057 (Inventors: Alexander Polestchuk, English title: Thruster for dirigibles, aeroplanes, etc)
• Patent FR-1912-442698 (Inventors: Marius Chaumeret, English title: Parachute applicable to aerostats and aviation)
• Patent FR-1912-450263 (Inventors: Joseph Escaffre • Paul Holman, English title: Improvements in airplanes)
• Patent FR-1912-450282 (Inventors: Anthelme Desaye • Thomas William Rennyson Meshew, English title: Monoplane, Supplementary to patent: Patent US-1911-1037214)
• Patent FR-1912-460878 (Inventors: André-Utime Sabineau, English title: Military aerobus)
• Patent FR-1913-453334 (Inventors: Jules Durand, English title: Tow hitch perfected for cars and other vehicles, Supplementary to patent: Patent BE-1912-01-25 Jules Durand)
• Patent FR-1913-458074 (Inventors: Auguste Rouma, English title: New thrusters for aerial, hydraulic or land vehicles, Supplementary to patent: Patent BE-1912-05-22-Rouma • Patent BE-1913-05-17-Rouma)
• Patent FR-1913-459438 (Inventors: Joseph Escaffre, English title: Hydroplane)
• Patent FR-1913-461336 (Inventors: Kasimir Panian, English title: Automatic shock absorber for flying machines, Supplementary to patent: Patent BE-1912-08-13-Panian)
• Patent FR-1913-464659 (Inventors: Charles-Gustave Mouflier, English title: Control system for aeroplanes)
• Patent FR-1913-465396 (Inventors: Kasimir Panian, English title: Aeroplane, Supplementary to patent: Patent BE-1912-08-13-Panian)
• Patent FR-1913-466535 (Inventors: Jules Plet, English title: Propeller with combined propulsion and traction effects)
• Patent FR-1914-474585 (Inventors: George Raymond Lawrence, English title: Improvements in airplanes, Supplementary to patent: Patent US-1913-04-21 George Raymond Lawrence)
• Patent FR-1914-426626.18838 (Inventors: Charles Espinosa • Louis Vinay, English title: Propeller of eight blades, each rotating, giving semi-orthogonal angles of attack, Supplementary to patent: Patent FR-1911-426626)
• Patent FR-1914-475393 (Inventors: Gregory Tschetschett • Sergei Maslenikoff • Paul Ustritseff, English title: Aeroplane)
• Patent FR-1915-477637 (Inventors: Matts Jacob Mustonen, English title: Improvement to aircraft)
• Patent FR-1916-492896 (Inventors: Carl Alfred Johansson, English title: Automatic stabilization of airplanes, Supplementary to patent: Patent NO-1915-12-15 Carl Alfred Johansson)
• Patent FR-1917-495839 (Inventors: Albert Wolff, Jr., English title: Improvements in speed accelerators for airplanes)
• Patent FR-1919-498853 (Inventors: Carl Alfred Johansson, English title: Transmission mechanism, Supplementary to patent: Patent NO-1919-02-08 Carl Alfred Johansson)
• Patent FR-1919-502616 (Inventors: François-Victor Denhaut, English title: Aerial turbine)
• Patent FR-1919-524175 (Inventors: Paul-Marie-Joseph Borel, English title: Device for creating cadastral plans using aerial photography)