Granted Patent
Utility
US 6,315,202 · App. 08/907,932
Material coding using lasers
Inventors:
Darryl J. Costin, Carl J. Hildebrand, Jr.
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Aug 11, 1997
Inventors
Darryl J. Costin
Carl J. Hildebrand, Jr.
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.