Granted Patent
Utility
US 4,956,630 · App. 07/404,789
Safety unit actuating device
Inventor:
James H. Wicker
Patented Case
View Patent ↗
Granted: Sep 11, 1990
Filed: Sep 8, 1989
Inventor
James H. Wicker
Assignee (at issue)
Specialty Manufacturing, Inc.
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.