Granted Patent
Utility
US 5,234,769 · App. 07/869,621
Wear resistant transparent dielectric coatings
Inventor:
Craig Shevlin
Patented Case
View Patent ↗
Granted: Aug 10, 1993
Filed: Apr 16, 1992
Inventor
Craig Shevlin
Assignee (at issue)
Deposition Sciences, Inc.
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.