Granted Patent
Utility
US 6,319,097 · App. 09/214,451
Grinding methods and apparatus
Inventors:
Stephen Roger Coverdale, Michael Laycock
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Dec 29, 1998
Inventors
Stephen Roger Coverdale
Michael Laycock
Assignee (at issue)
Unova UK Limited
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.