Patents by Inventor Walter Koll

Walter Koll has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Massaging device
    Patent number: 5152281
    Abstract: In a masssaging device, a fork-shaped part is arranged on a handle so as to oscillate about a swivelling spindle. The fork-shaped part has a rolling-body is rotatably mounted. By virtue of the oscillating arrangement of the fork-shaped part, the rolling-body axis can tilt to a limited extent to both sides out of a position extending parallel to the handle. The rolling body has a plurality of disks which are arranged individually so as to be rotatable on the rolling-body axis and, on their circumferential surface, have a toothing which rolls over the skin to be massaged during the use of the massaging device.
    Type: Grant
    Filed: June 4, 1991
    Date of Patent: October 6, 1992
    Inventor: Walter Koll
  • Body roller
    Patent number: D341427
    Type: Grant
    Filed: March 13, 1991
    Date of Patent: November 16, 1993
    Inventor: Walter Koll