Granted Patent
Utility
US 5,533,248 · App. 08/371,399
Method of steel processing using an inline grinder
Inventors:
George W. Tippins, John E. Thomas, William H. Tippins, Ronald D. Gretz
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Jan 11, 1995
Inventors
George W. Tippins
John E. Thomas
William H. Tippins
Ronald D. Gretz
Assignee (at issue)
Tippins Incorporated
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.