Granted Patent
Utility
US 6,576,862 · App. 09/479,830
Laser-scribing process for rubber and thermoplastic materials such as a hose
Inventors:
Darryl J. Costin, Scott C. Harris
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Jan 7, 2000
Inventors
Darryl J. Costin
Scott C. Harris
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.