Granted Patent
Utility
US 5,523,330 · App. 08/278,549
Process for producing a foamed isocyanate-based polymer
Inventor:
Paul V. Farkas
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Jul 21, 1994
Inventor
Paul V. Farkas
Assignee (at issue)
Woodbridge Foam 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.