Granted Patent
Utility
US 5,489,620 · App. 08/245,937
Process for making flexible foams
Inventor:
Gerhard Jozef Bleys
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: May 19, 1994
Inventor
Gerhard Jozef Bleys
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.