Patents by Inventor Thomas L. Marks

Thomas L. Marks 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).

  • Telephone cradle adapter
    Patent number: 4113995
    Abstract: An adapter for attachment to a telephone cradle comprising an elastomeric sleeve defining a cavity for accepting the handpiece-retaining protuberance of a telephone receiver cradle, and a generally U-shaped metallic cap engaging the elastomer at opposite sides of the cavity enclosing the cavity. The metallic cap defines a slot at the lower edge thereof which communicates with the cavity.
    Type: Grant
    Filed: August 25, 1977
    Date of Patent: September 12, 1978
    Inventor: Thomas L. Marks
  • Adapter for telephone cradle protuberance
    Patent number: D253769
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: December 25, 1979
    Inventor: Thomas L. Marks