Granted Patent
Utility
US 6,780,217 · App. 10/207,908
Panel air filter with gasket of non-woven felt
Inventor:
David Palmer
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Jul 31, 2002
Inventor
David Palmer
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.