Granted Patent
Utility
US 4,557,950 · App. 06/611,793
Process for deposition of borophosphosilicate glass
Inventors:
Thomas C. Foster, Jon C. Goldman, Gary W. Hoeye
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: May 18, 1984
Inventors
Thomas C. Foster
Jon C. Goldman
Gary W. Hoeye
Assignee (at issue)
Thermco Systems, 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.