Granted Patent
Utility
US 4,890,278 · App. 07/368,995
Apparatus and method for calibrated monitoring of output voltage levels of local area network communication devices
Inventors:
Michael Felker, Angelo N. Viverito, John W. Gilstrap, Jesus J. Martos, Ruben Trujillo, Chang J. Wang
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Jun 16, 1989
Inventors
Michael Felker
Angelo N. Viverito
John W. Gilstrap
Jesus J. Martos
Ruben Trujillo
Chang J. Wang
Assignee (at issue)
Digital Equipment 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.