Patents Assigned to S. W. Services
  • Debris cap with locking system
    Patent number: 5439130
    Abstract: A debris cap is provided with a locking post that is insertable into an opening in the closure of the cap so that a lock engaging the manipulating handle of the cap and the locking post prevents unauthorized removal of the cap.
    Type: Grant
    Filed: March 21, 1994
    Date of Patent: August 8, 1995
    Assignee: S. W. Services
    Inventor: Gary C. Waugh