Granted Patent
Utility
US 4,249,251 · App. 06/088,920
Gear train for timepiece with a stepping motor
Inventor:
Paul Wuthrich
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Oct 29, 1979
Inventor
Paul Wuthrich
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.