Granted Patent
Utility
US 6,740,727 · App. 10/307,037
Injection-moldable, thermoplastic polyurethane elastomer
Inventors:
Thomas L. Plummer, Val C. Comes, George Wallace
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Nov 27, 2002
Inventors
Thomas L. Plummer
Val C. Comes
George Wallace
Assignee (at issue)
Parker-Hannifin 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.