Granted Patent
Utility
US 5,272,198 · App. 08/031,090
Asbestos-free microdenier acrylic fiber reinforced material for gaskets and the like
Inventors:
Stanley S. Kaminski, Robert E. Evans
Patented Case
View Patent ↗
Granted: Dec 21, 1993
Filed: Mar 12, 1993
Inventors
Stanley S. Kaminski
Robert E. Evans
Assignee (at issue)
American Cyanamid Company
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.