Granted Patent
Utility
US 5,817,232 · App. 08/582,641
Rebuildable spin-on filters
Inventors:
Mark A. Roll, Gregory K. Rhyne
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Jan 4, 1996
Inventors
Mark A. Roll
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.