Granted Patent
Utility
US 6,440,241 · App. 09/190,516
Multilayer foams
Inventors:
Jeffrey J. Mason, Chau V. Vo, Georges Eschenlauer
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Nov 12, 1998
Inventors
Jeffrey J. Mason
Chau V. Vo
Georges Eschenlauer
Assignee (at issue)
Dow Global Technologies LLC
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.