Granted Patent
Utility
US 4,385,842 · App. 05/556,758
Electronic timepiece for indicating digital subdivisions of time in a substantially conventional format
Inventor:
Leo Wiesner
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Mar 10, 1975
Inventor
Leo Wiesner
Assignee (at issue)
Timex Corporation
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.