Patents Assigned to Castle Rock Enterprises
  • Mason's guide
    Patent number: 4338728
    Abstract: A mason's guide system which has at least a pair of elongate bodies that have telescoping extensions of the bodies are provided to engage a floor and ceiling. The bodies are provided with longitudinally adjustable measuring tapes and a moveable marker for precisely locating a line at the same indicia marks on the tapes.
    Type: Grant
    Filed: April 6, 1981
    Date of Patent: July 13, 1982
    Assignee: Castle Rock Enterprises
    Inventor: Rick R. Valead