Granted Patent
Utility
US 6,554,999 · App. 09/817,467
Magnetic assembly to applied against an oil filter
Inventor:
William J. Brunsting
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Mar 26, 2001
Inventor
William J. Brunsting
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.