Granted Patent
Utility
US 4,684,589 · App. 06/826,567
Battery seal
Inventor:
Ted J. Van Dyke, Jr.
Patented Case
View Patent ↗
Granted: Aug 4, 1987
Filed: Feb 6, 1986
Inventor
Ted J. Van Dyke, Jr.
Assignee (at issue)
Rayovac 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.