Granted Patent
Utility
US 4,595,641 · App. 06/736,570
Battery compartment having battery polarity protection
Inventor:
Joel F. Giurtino
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: May 21, 1985
Inventor
Joel F. Giurtino
Assignee (at issue)
CORDIS 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.