Granted Patent
Utility
US 6,437,286 · App. 09/648,309
Slag collection and removal system for a heavy duty laser-equipped machine tool
Inventor:
William B. Scott
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Aug 25, 2000
Inventor
William B. Scott
Assignee (at issue)
W.A. Whitney Co.
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.