Granted Patent
Utility
US 6,525,168 · App. 09/802,427
Chemically resistant polythiothers and formation thereof
Inventors:
Jonathan D. Zook, David W. Jordan, Dean M. Willard, George Jones, Michael A. Cosman
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Mar 9, 2001
Inventors
Jonathan D. Zook
David W. Jordan
Dean M. Willard
George Jones
Michael A. Cosman
Assignee (at issue)
PBT Brands, 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.