Patents by Inventor Bernard L. Martin

Bernard L. Martin 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).

  • Cable pulling system
    Patent number: 4101114
    Abstract: A system for drawing one or more cables, such as electrical cables or conductors through a conduit of limited diameter wherein each cable has the strands or conductors thereof wedged in a first part of a connector and a second part of such connector is removably attached thereto with a line engaging the second part of each connector and secured to a single swivel head having a draw line attached thereto.
    Type: Grant
    Filed: October 12, 1977
    Date of Patent: July 18, 1978
    Assignee: Carpenter Rigging and Supply Company, Inc.
    Inventors: Bernard L. Martin, Bruce N. Vogel