Granted Patent
Utility
US 5,089,047 · App. 07/632,238
Ceramic-metal articles and methods of manufacture
Inventors:
Sergej-Tomislav Buljan, Helmut Lingertat, Steven F. Wayne
Patented Case
View Patent ↗
Granted: Feb 18, 1992
Filed: Dec 20, 1990
Inventors
Sergej-Tomislav Buljan
Helmut Lingertat
Steven F. Wayne
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.