Granted Patent
Utility
US 6,181,067 · App. 09/297,554
Portable lighting product, a portable lighting product circuit and a functioning method for a portable lighting product circuit
Inventor:
David R. Dalton
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Jul 12, 1999
Inventor
David R. Dalton
Assignee (at issue)
Eveready Battery Company, 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.