Granted Patent
Utility
US 4,083,175 · App. 05/577,201
Solid state watch with single time and date selector button
Inventors:
Nick Petropoulos, William G. Holt
Patented Case
View Patent ↗
Granted: Apr 11, 1978
Filed: May 14, 1975
Inventors
Nick Petropoulos
William G. Holt
Assignee (at issue)
Frontier Manufacturing Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.