Granted Patent
Utility
US 5,289,815 · App. 08/080,607
Method of dressing a threaded grinding wheel
Inventor:
Theodore J. Krenzer
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Jun 21, 1993
Inventor
Theodore J. Krenzer
Assignee (at issue)
THE GLEASON WORKS
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.