Granted Patent
Utility
US 5,337,656 · App. 08/057,580
Oil filter crushing apparatus having air bag actuator
Inventor:
Harold E. Hollnagel
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: May 6, 1993
Inventor
Harold E. Hollnagel
Assignee (at issue)
KCS Industries, 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.