Granted Patent
Utility
US 4,308,694 · App. 06/168,456
Wheelhead drive assembly for a cylindrical grinding machine
Inventor:
Robert E. Bricker
Patented Case
View Patent ↗
Granted: Jan 5, 1982
Filed: Jul 10, 1980
Inventor
Robert E. Bricker
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.