Granted Patent
Utility
US 4,247,023 · App. 06/072,989
Follower assembly for hand grease guns
Inventor:
Jerry Shew
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Sep 6, 1979
Inventor
Jerry Shew
Assignee (at issue)
Stewart Warner 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.