P. E. Teschemacher
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P. E. Teschemacher was an American patent agent, at 31 State Street, Boston, Massachusetts; with registration number 777.[1]
Patents for which P. E. Teschemacher was the patent agent
- Patent US-1889-417755 (Inventors: David Thayer, English title: Aerial apparatus)
References
- ↑ Roster of registered U.S. patent attorneys 1889, p. 66.
