Patents Assigned to Ruf Handels AG
  • Roller type massaging apparatus for the feet
    Patent number: 4167940
    Abstract: A series of rollers held in a frame and covered with a textured, granular surface, simulating natural granular terrain.
    Type: Grant
    Filed: August 4, 1977
    Date of Patent: September 18, 1979
    Assignee: Ruf Handels AG
    Inventor: Robert Ruf