Granted Patent
Utility
US 6,723,827 · App. 10/368,135
Chemically resistant polythioethers and formation thereof
Inventors:
Jonathan D. Zook, David W. Jordan, Dean M. Willard, George Jones, Michael A. Cosman
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Feb 20, 2003
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.