Granted Patent
Utility
US 4,725,175 · App. 06/910,285
Groove point screw
Inventor:
George Jesson
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: Sep 17, 1986
Inventor
George Jesson
Assignee (at issue)
USM Holding AG
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.