Granted Patent
Utility
US 4,633,051 · App. 06/554,978
Stable conductive elements for direct exposure to reactive environments
Inventor:
Donald M. Olson
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Nov 23, 1983
Inventor
Donald M. Olson
Assignee (at issue)
Advanced Semiconductor Materials America, 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.