Patents Assigned to Sur-Fire, Inc.
  • Injection molded automotive spark plug
    Patent number: 4795938
    Abstract: Automotive spark plug having an injection molded body which includes the central electrode and connnecting cap and the grounded electrode. In one embodiment, the grounded electrode is secured to a threaded metal cap which is mounted on a band integral with the molded body, and which has support legs extending into the molded body. In a second embodiment, the molded body is appropriately threaded and the grounded electrode extends into the interior radius of the threads so as to provide a proper ground.
    Type: Grant
    Filed: December 11, 1986
    Date of Patent: January 3, 1989
    Assignee: Sur-Fire, Inc.
    Inventor: Jerry R. Meredith