Granted Patent
Utility
US 5,968,993 · App. 08/872,037
Microcellular elastomeric polyurethane foams
Inventor:
Gerard Jozef Bleys
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Jun 10, 1997
Inventor
Gerard 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.