Granted Patent
Utility
US 4,412,110 · App. 06/370,612
Timer clutch
Inventor:
Guy A. Wojtanek
Patented Case
View Patent ↗
Granted: Oct 25, 1983
Filed: Apr 22, 1982
Inventor
Guy A. Wojtanek
Assignee (at issue)
The Singer Company Limited
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.