Granted Patent
Utility
US 5,598,951 · App. 08/537,345
Oil filter draining device
Inventor:
Richard J. DeBano, Jr.
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Oct 2, 1995
Inventor
Richard J. DeBano, Jr.
Assignee (at issue)
Ford Motor Company
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.