Granted Patent
Utility
US 4,751,109 · App. 07/005,003
A process for depositing a composite ceramic coating on a hard ceramic substrate
Inventors:
Vinod K. Sarin, Hans E. Hintermann, Gilbert Gindraux
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Jan 20, 1987
Inventors
Vinod K. Sarin
Hans E. Hintermann
Gilbert Gindraux
Assignee (at issue)
GTE Laboratories Incorporated
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.