Granted Patent
Utility
US 5,161,291 · App. 07/823,404
Adjustable machining apparatus for machining a cylindrical workpiece
Inventor:
Paul Guenther
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Jan 21, 1992
Inventor
Paul Guenther
Assignee (at issue)
Westinghouse Electric Company LLC
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.