Granted Patent
Utility
US 5,226,123 · App. 07/499,368
System for addressing multiple addressable units by inactivating previous units and automatically change the impedance of the connecting cable
Inventor:
Peter Vockenhuber
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Mar 26, 1990
Inventor
Peter Vockenhuber
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.