Granted Patent
Utility
US 4,783,296 · App. 06/927,896
Process for producing articles made from polyurethane foam and additive for performing this process
Inventors:
Wolfgang Fischer, Thomas Hattich, William P. Krug, Gerhard Schuster
Patented Case
View Patent ↗
Granted: Nov 8, 1988
Filed: Nov 6, 1986
Inventors
Wolfgang Fischer
Thomas Hattich
William P. Krug
Gerhard Schuster
Assignee (at issue)
Teroson GmbH
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.