Granted Patent
Utility
US 4,878,356 · App. 07/263,887
Storage tank scale for a refrigerant recovery system
Inventors:
Robert J. Punches, Gary P. Murray, Roger D. Shirley
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: Oct 28, 1988
Inventors
Robert J. Punches
Gary P. Murray
Roger D. Shirley
Assignee (at issue)
Kent-Moore Corporation
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.