Granted Patent
Utility
US 4,388,259 · App. 06/314,186
Fluorocarbon polymer gasket and method of manufacturing such
Inventors:
Walter E. B. Jewell, Adam J. Patarcity
Patented Case
View Patent ↗
Granted: Jun 14, 1983
Filed: Oct 23, 1981
Inventors
Walter E. B. Jewell
Adam J. Patarcity
Assignee (at issue)
Kennecott Holdings 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.