Granted Patent
Utility
US 4,452,223 · App. 06/414,847
Cylindrical grinding machine truing and dressing device
Inventor:
William E. Shank
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: Sep 3, 1982
Inventor
William E. Shank
Assignee (at issue)
Litton Industrial Products, Inc.
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.