Granted Patent
Utility
US 4,635,171 · App. 06/798,991
Compact electric light
Inventor:
John L. Beiswenger
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Nov 18, 1985
Inventor
John L. Beiswenger
Assignee (at issue)
Rayovac 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.