Rigot et Prévost

This patent agent partnerships enters moderately into our data, at present. 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.

Patents for which Rigot et Prévost was the patent agent

• Patent FR-1919-524175 (Inventors: Paul-Marie-Joseph Borel, English title: Device for creating cadastral plans using aerial photography)
• Patent FR-1906-361256 (Inventors: Franz Wondra, English title: Flying Machine)
• 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-1911-435057 (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-1913-459438 (Inventors: Joseph Escaffre, English title: Hydroplane)
• 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)