Granted Patent
Utility
US 4,595,793 · App. 06/661,889
Flame-resistant plenum cable and methods of making
Inventors:
Candido J. Arroyo, Palmer D. Thomas
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Oct 18, 1984
Inventors
Candido J. Arroyo
Palmer D. Thomas
Assignees (at issue)
AT&T Technologies Incorporated
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.