Patents by Inventor Dennis D. Ray

Dennis D. Ray 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).

  • Unitary telephony frame arm extender
    Patent number: 4641338
    Abstract: A one-piece frame arm extender allows telephony terminal blocks to be mounted concurrently on a main distribution frame. The extender does not require any full assembly prior to being able to support itself.
    Type: Grant
    Filed: July 8, 1985
    Date of Patent: February 3, 1987
    Assignee: General Telephone Company of Indiana
    Inventors: Roger L. Clark, Dennis D. Ray, James L. Martin