Granted Patent
Utility
US 5,407,963 · App. 08/257,407
Non-CFC foam produced using blended surfactants
Inventors:
Jennifer M. Willson, Paul J. Meunier, Vyacheslav S. Grinshpun
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Jun 9, 1994
Inventors
Jennifer M. Willson
Paul J. Meunier
Vyacheslav S. Grinshpun
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.