Granted Patent
Utility
US 4,846,949 · App. 07/115,239
High resistivity chromium silicide films
Inventors:
Yue-Tung Tu, Martin Philip Rosenblum, Elliot English
Patented Case
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Granted: Jul 11, 1989
Filed: Oct 30, 1987
Inventors
Yue-Tung Tu
Martin Philip Rosenblum
Elliot English
Assignee (at issue)
Southwall Technologies 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.