Granted Patent
Utility
US 6,421,885 · App. 09/397,418
Battery holder
Inventors:
Charles T. Mowers, Robert C. Wingrove
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Sep 17, 1999
Inventors
Charles T. Mowers
Robert C. Wingrove
Assignee (at issue)
Rehabilicare, 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.