Granted Patent
Utility
US 4,848,626 · App. 07/154,706
Utility box
Inventor:
John E. Waters
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Feb 11, 1988
Inventor
John E. Waters
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.