Dittmar
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French patent agent Dittmar was recorded as being at address avenue de l’Opéra, 37, Paris.[1] There may be a connection to the later active inventor Heinrich Dittmar. There is an American patent agent E. Dittmar. See Dittmar surname disambiguation.
Patents for which Dittmar was the patent agent
- Patent FR-1888-194269 (Inventors: Guillermo Antonio Farini, English title: Perfected parachute)