Granted Patent
Utility
US 5,648,941 · App. 08/536,763
Transducer backing material
Inventor:
Robert W. King
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Sep 29, 1995
Inventor
Robert W. King
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.