Patents by Inventor Lise A. Desroches

Lise A. Desroches has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Telecommunications cable
    Patent number: 5010210
    Abstract: An unshielded telecommunications cable with a nominal characteristic impedance of 100 ohms and a core with a maximum of six pairs of individually insulating conductor wires. The wire insulation is a flame retardant polyolefin base compound and the conductors of each pair are twisted together with a maximum twist lay of 2.3 inches. The core is surrounded by a flame retardant jacket.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: April 23, 1991
    Assignee: Northern Telecom Limited
    Inventors: Shiraz I. Sidi, Paul A. Guilbert, Lise A. Desroches, Michel Plasse