Patents by Inventor Ralph Abrams

Ralph Abrams 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).

  • Reed relay having low differential thermal EMF
    Patent number: 4084142
    Abstract: A reed relay of the type having a pair of parallel reed switches aligned so that opposite ends of one switch are adjacent opposite ends of the other switch, the adjacent ends of said switches being in thermally conductive but electrically insulated relation with each other whereby the thermal EMF of the relay is eliminated or reduced to minimal levels.
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: April 11, 1978
    Assignee: Coto-Coil Co., Inc.
    Inventors: Bruce D. Campbell, Ralph Abrams