Granted Patent
Utility
US 6,147,309 · App. 09/426,657
Single-jacketed plenum cable
Inventors:
John J. Mottine, Jr., Kenneth S. Koehler, Sayed J. Mirkazemi, William B. Dawson
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Oct 25, 1999
Inventors
John J. Mottine, Jr.
Kenneth S. Koehler
Sayed J. Mirkazemi
William B. Dawson
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.