Granted Patent
Utility
US 5,916,339 · App. 08/862,407
One-way drive mechanism and corresponding ratchet tool
Inventor:
Bertrand Dumont
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: May 23, 1997
Inventor
Bertrand Dumont
Assignee (at issue)
FACOM
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.