Granted Patent
Utility
US 6,252,196 · App. 09/390,956
Laser method of scribing graphics
Inventors:
Darryl J. Costin, Heath Colwell
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Sep 7, 1999
Inventors
Darryl J. Costin
Heath Colwell
Assignee (at issue)
TechnoLines, LP
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.