Granted Patent
Utility
US 5,968,215 · App. 09/008,844
Combined inlet outlet air filter element
Inventor:
Stephen Michael Webb
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Jan 20, 1998
Inventor
Stephen Michael Webb
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.