Patents by Inventor Willis L. Chrisman

Willis L. Chrisman 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).

  • Method for continuously making cable
    Patent number: 4222980
    Abstract: Method and apparatus are disclosed for continuously manufacturing a cable of the type having a central conductor around which are concentrically arranged successive outer layers; electrostatic shielding, insulation and jacket layers. The method and apparatus includes unique means for vulcanizing the insulation layer and for subsequent cooling.
    Type: Grant
    Filed: September 29, 1977
    Date of Patent: September 16, 1980
    Assignee: Anaconda Wire and Cable Company
    Inventors: John D. Stauffer, Edwin H. Arnaudin, Jr., Willis L. Chrisman