Granted Patent
Utility
US 6,156,392 · App. 09/352,431
Process for triboelectric application of a fluoropolymer coating to a threaded fastener
Inventors:
Richard J. Duffy, Eugene D. Sessa
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Jul 13, 1999
Inventors
Richard J. Duffy
Eugene D. Sessa
Assignee (at issue)
Nylok Fastener Corporation
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.