Granted Patent
Utility
US 5,278,002 · App. 07/948,319
Battery cover
Inventor:
John J. Hiers
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Sep 22, 1992
Inventor
John J. Hiers
Assignee (at issue)
Lydall, 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.