Granted Patent
Utility
US 6,653,363 · App. 10/309,799
Low energy-loss, high firmness, temperature sensitive polyurethane foams
Inventors:
Daniel V. Tursi, Jr., Chiu Y. Chan, Beat Niederoest
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Dec 4, 2002
Inventors
Daniel V. Tursi, Jr.
Chiu Y. Chan
Beat Niederoest
Assignee (at issue)
FOAMEX L.P.
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.