Granted Patent
Utility
US 4,316,133 · App. 06/184,498
Temperature compensated battery charging system with testing for battery back-up system
Inventor:
Philip F. Locke, Jr.
Patented Case
View Patent ↗
Granted: Feb 16, 1982
Filed: Sep 5, 1980
Inventor
Philip F. Locke, Jr.
Assignee (at issue)
Westinghouse Electric Company LLC
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.