Granted Patent
Utility
US 5,598,730 · App. 08/297,982
Pre-forge aluminum oxide blasting of forging billets as a scale resistance treatment
Inventor:
Garry L. Dillon
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Aug 30, 1994
Inventor
Garry L. Dillon
Assignee (at issue)
Snap-On Technologies, 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.