Granted Patent
Utility
US 5,606,897 · App. 08/577,332
Oil filter wrench and packaging therefor
Inventor:
Gregory F. Quinn
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Dec 22, 1995
Inventor
Gregory F. Quinn
Assignee (at issue)
FloTool International, Inc.
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.