Granted Patent
Utility
US 5,825,720 · App. 08/955,827
Combination seal and wear for an air gun
Inventors:
Earnest R. Harrison, David McCall
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Oct 22, 1997
Inventors
Earnest R. Harrison
David McCall
Assignee (at issue)
Input/Output, 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.