Granted Patent
Utility
US 4,808,495 · App. 07/118,454
Shock-protected battery cover assembly
Inventor:
Richard J. Goldstein
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Nov 9, 1987
Inventor
Richard J. Goldstein
Assignee (at issue)
Perma Power Electronics, 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.