Patents by Inventor Lindsay Carlton Friend

Lindsay Carlton Friend 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).

  • Daughter board contact
    Patent number: 3941442
    Abstract: An electrical connection between spaced and parallel mother and daughter boards including terminals secured to the mother board and projecting toward the daughter board having a pivot link arm with a daughter board-engaging member at the free end of the link arm and a daughter board spring contact. A number of terminals are secured to the mother board all facing in the same direction so that upon movement of the daughter board in a direction parallel to the mother board the links pivot the daughter board down toward the mother board and bring contact pads on the daughter board in engagement with the spring contacts.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: March 2, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Lindsay Carlton Friend