Granted Patent
Utility
US 4,959,090 · App. 07/386,033
Glass enamel coating compositions
Inventor:
Barry P. Reinherz
Patented Case
View Patent ↗
Granted: Sep 25, 1990
Filed: Jul 25, 1989
Inventor
Barry P. Reinherz
Assignee (at issue)
Ciba-Geigy
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.