Granted Patent
Utility
US 5,129,283 · App. 07/575,758
Push to turn mechanism
Inventor:
Randal W. Koehler
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Aug 31, 1990
Inventor
Randal W. Koehler
Assignee (at issue)
Eaton 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.