Granted Patent
Utility
US 6,557,441 · App. 10/088,410
Rotational driving tool for screwing member
Inventor:
Gerard C. C. Brihier
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Mar 20, 2002
Inventor
Gerard C. C. Brihier
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.