Granted Patent
Utility
US 4,878,372 · App. 07/285,469
Shock-absorbing fluid-actuated fastener installation tool
Inventors:
Gary L. Port, John J. Kaelin
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: Dec 16, 1988
Inventors
Gary L. Port
John J. Kaelin
Assignee (at issue)
Huck Manufacturing Co.
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.