IP Library › Granted Patent US 4,329,546
Granted Patent Utility
US 4,329,546 · App. 06/154,091

Interface unit for pushbutton selector

Inventors: Vittorio Montesi, Mario Besi
Patented Case View Patent ↗
Granted: May 11, 1982 Filed: May 28, 1980
Inventors
Vittorio Montesi
Mario Besi
Assignee (at issue)
Societa Italiana Telecomunicazioni Siemens S.p.A.

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Quick Facts
Patent No.
US 4,329,546
App. No.
06/154,091
Filed
1980-05-28
Granted
1982-05-11
Kind
A