Granted Patent
Utility
US 5,747,630 · App. 08/816,467
Polyurethane binder for a magnetic recording medium
Inventor:
Charles J. Amirsakis
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Mar 13, 1997
Inventor
Charles J. Amirsakis
Assignee (at issue)
Morton International, Inc.
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.