Granted Patent
Utility
US 4,540,176 · App. 06/526,307
Microprocessor interface device
Inventor:
Ralph H. Baer
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Aug 25, 1983
Inventor
Ralph H. Baer
Assignee (at issue)
Sanders GmbH
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.