Granted Patent
Utility
US 4,859,126 · App. 07/013,134
Apparatus and method for removing dross ridges from a metal workpiece
Inventor:
Matthew Mancuso
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Feb 10, 1987
Inventor
Matthew Mancuso
Assignee (at issue)
Keibler-Thompson Corp.
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.