Granted Patent
Utility
US 6,245,825 · App. 08/678,391
Polyurethane foams
Inventor:
Geert Bleys
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Jul 2, 1996
Inventor
Geert 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.