Granted Patent
Utility
US 4,916,438 · App. 07/348,114
Battery charging, monitoring and alarm circuit
Inventors:
Milton Collins, Roger Alan Anderson
Patented Case
View Patent ↗
Granted: Apr 10, 1990
Filed: May 4, 1989
Inventors
Milton Collins
Roger Alan Anderson
Assignee (at issue)
Oneac 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.