Granted Patent
Utility
US 5,234,658 · App. 07/805,111
Scarfing apparatus
Inventors:
Michael S. Showalter, John G. Dawson, Jr., Frank J. Gusky
Patented Case
View Patent ↗
Granted: Aug 10, 1993
Filed: Dec 9, 1991
Inventors
Michael S. Showalter
John G. Dawson, Jr.
Frank J. Gusky
Assignee (at issue)
ESAB Welding 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.