Granted Patent
Utility
US 5,162,609 · App. 07/739,122
Fire-resistant cable for transmitting high frequency signals
Inventors:
Luc Walter Adriaenssens, Richard D. Beggs, Harold W. Friesen, Wendell G. Nutt
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Jul 31, 1991
Inventors
Luc Walter Adriaenssens
Richard D. Beggs
Harold W. Friesen
Wendell G. Nutt
Assignee (at issue)
AT&T Bell Laboratories
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.