Granted Patent
Utility
US 4,404,772 · App. 06/301,725
Cylindrical grinding machine
Inventor:
Glenn Snyder
Patented Case
View Patent ↗
Granted: Sep 20, 1983
Filed: Sep 14, 1981
Inventor
Glenn Snyder
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.