Granted Patent
Utility
US 5,573,449 · App. 08/214,885
Threaded grinding wheel, method of dressing, and grinding a workpiece therewith
Inventor:
Roman Mackowsky
Patented Case
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Granted: Nov 12, 1996
Filed: Mar 16, 1994
Inventor
Roman Mackowsky
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.