John L. Boone
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American patent agent John L. Boone was listed at address San Francisco, California, with registration number 260.[1]
Patents for which John L. Boone was the patent agent
- Patent US-1890-439421 (Inventors: Perham Wilhelm Nahl, English title: Navigable airship)
References
- ↑ Roster of registered U.S. patent attorneys 1889, p. 13.
