Granted Patent
Utility
US 4,859,526 · App. 07/151,873
High temperature compressed non-asbestos sheet
Inventors:
Agnes Potepan, Richard Lynn Dibble
Patented Case
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Granted: Aug 22, 1989
Filed: Feb 3, 1988
Inventors
Agnes Potepan
Richard Lynn Dibble
Assignee (at issue)
Garlock, 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.