Granted Patent
Utility
US 6,100,310 · App. 09/160,968
Process for making microcellular polyurethane elastomers
Inventor:
David Joon HO
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Sep 25, 1998
Inventor
David Joon HO
Assignee (at issue)
Bayer Antwerpen
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.