Granted Patent
Utility
US 5,503,246 · App. 08/372,764
Crankcase oil drain pan
Inventors:
Ronald K. Raboin, Allan Brown
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Jan 13, 1995
Inventors
Ronald K. Raboin
Allan Brown
Assignee (at issue)
Western 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.