Granted Patent
Utility
US 5,113,671 · App. 07/617,773
Oil separator
Inventor:
Gary W. Westermeyer
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Nov 26, 1990
Inventor
Gary W. Westermeyer
Assignee (at issue)
AC&R Components Components, 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.