Granted Patent
Utility
US 5,007,671 · App. 07/455,681
Under the rail liner with tabs
Inventor:
John C. Oprea
Patented Case
View Patent ↗
Granted: Apr 16, 1991
Filed: Dec 22, 1989
Inventor
John C. Oprea
Assignee (at issue)
Durakon 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.