Granted Patent
Utility
US 4,873,132 · App. 07/098,805
Surface protector with expansible pocket
Inventors:
Wallace R. Jones, Robert A. Isaksen
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Sep 21, 1987
Inventors
Wallace R. Jones
Robert A. Isaksen
Assignee (at issue)
The Excello Specialty 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.