Granted Patent
Utility
US 6,300,595 · App. 09/362,177
Method of three dimensional laser engraving
Inventor:
Mark Williams
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Jul 27, 1999
Inventor
Mark Williams
Assignee (at issue)
High Tech Polishing, 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.