E. Dittmar

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American patent attorney E. Dittmar has barely entered into our data, in connection with Alexis Beurrier and Édouard-Jean Bigourdan.^[1]

We also have an earlier-active French patent agent Dittmar. See Dittmar surname disambiguation.

Patents for which E. Dittmar was the patent agent

Patent US-1913-1147294 (Inventors: Alexis Beurrier • Édouard-Jean Bigourdan, English title: Aerial vehicle, Supplementary to patent: Patent FR-1912-449486)

References

↑ Patent US-1913-1147294

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American patent agents