Granted Patent
Utility
US 4,390,900 · App. 06/256,440
Bidirectional information transmission via a long distance video interface (LDVI) cable
Inventors:
Hendrik Cornelis Van Kampen, Joseph G. Rouland, Hendrik J. Baakman
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: Apr 22, 1981
Inventors
Hendrik Cornelis Van Kampen
Joseph G. Rouland
Hendrik J. Baakman
Assignee (at issue)
U.S. Philips Corporation
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.