Granted Patent
Utility
US 4,906,036 · App. 07/249,625
Pivoting adjustment screw
Inventor:
Darrell L. James
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Sep 26, 1988
Inventor
Darrell L. James
Assignee (at issue)
Hartwell 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.