Patents by Inventor Richard Sard

Richard Sard 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).

  • Electroplating of silver-palladium alloys and resulting product
    Patent number: 4269671
    Abstract: Palladium-silver alloy may be electroplated from lithium chloride bath solution to result in coatings useful for electrical contacts. Increased corrosion resistance relative to wrought contacts of the same composition permit relatively large amounts of silver.
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: May 26, 1981
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Uri Cohen, Richard Sard
  • Lubricated electrical contacts
    Patent number: 4268568
    Abstract: The electrical contact is described which incorporates a fluorocarbon polymer film as the lubricant. A process for applying the lubricant is also described. Such contacts are advantageous because of reduced wear behavior and reduced thickness requirements for noble metals used on contact surfaces.
    Type: Grant
    Filed: May 14, 1979
    Date of Patent: May 19, 1981
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Richard Sard, Kenneth R. Walton