Granted Patent
Utility
US 5,889,082 · App. 08/876,680
Method for manufacturing friction materials containing blends of organic fibrous and particulate components
Inventors:
Stanley S. Kaminski, Robert E. Evans
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Jun 17, 1997
Inventors
Stanley S. Kaminski
Robert E. Evans
Assignee (at issue)
Sterling Chemicals, International, 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.