Granted Patent
Utility
US 5,990,444 · App. 08/729,493
Laser method and system of scribing graphics
Inventor:
Darryl J. Costin
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Oct 11, 1996
Inventor
Darryl J. Costin
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.