Granted Patent
Utility
US 4,868,476 · App. 07/115,689
Transducer with integral memory
Inventor:
James E. Respaut
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Oct 30, 1987
Inventor
James E. Respaut
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.