Granted Patent
Utility
US 6,336,946 · App. 08/391,668
Shift pleat air filter
Inventors:
Michael David Adams, David William Ager, Gregory K. Rhyne
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Feb 21, 1995
Inventors
Michael David Adams
David William Ager
Gregory K. Rhyne
Assignee (at issue)
DANA LIMITED
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.