Granted Patent
Utility
US 6,783,253 · App. 10/105,805
First surface mirror with DLC coating
Inventors:
Scott V. Thomsen, Michael Andreasen
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Mar 21, 2002
Inventors
Scott V. Thomsen
Michael Andreasen
Assignee (at issue)
Guardian Industries Corp.
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.