Patents Assigned to Surface Preparation Systems
  • Apparatus for surface profiling
    Patent number: 5092658
    Abstract: Apparatus for profiling surfaces which includes a drum rotatably mounted on a frame, the drum having a plurality of generally helically extending grooves with a plurality of clip elements in each groove, at least one hardened bit member mounted in each clip element and extending radially outwardly of the periphery of the drum.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: March 3, 1992
    Assignee: Surface Preparation Systems
    Inventor: Ellis S. Smith