Granted Patent
Utility
US 5,000,771 · App. 07/458,921
Method for manufacturing an article comprising a refractory dielectric body
Inventors:
James W. Fleming, Fred P. Partus
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Dec 29, 1989
Inventors
James W. Fleming
Fred P. Partus
Assignee (at issue)
AT&T Bell Laboratories
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.