Granted Patent
Utility
US 5,004,879 · App. 07/447,536
Switch housing with resilient retainers
Inventors:
Everett A. Bernhardt, Robert C. Winters
Patented Case
View Patent ↗
Granted: Apr 2, 1991
Filed: Dec 7, 1989
Inventors
Everett A. Bernhardt
Robert C. Winters
Assignee (at issue)
Sentrol, 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.