Granted Patent
Utility
US 4,752,545 · App. 07/046,797
Post seal and method of manufacture for lead-acid batteries
Inventors:
William B. Brecht, Sudhan S. Misra
Patented Case
View Patent ↗
Granted: Jun 21, 1988
Filed: May 7, 1987
Inventors
William B. Brecht
Sudhan S. Misra
Assignee (at issue)
C & D Power Systems, 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.