Granted Patent
Utility
US 5,853,318 · App. 08/962,276
Roll surface grinder
Inventors:
Kelsey C. Thom, Jr., Heath L. Hartwig
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Oct 31, 1997
Inventors
Kelsey C. Thom, Jr.
Heath L. Hartwig
Assignee (at issue)
Consolidated Process Machinery, 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.