Patents by Inventor Roger O. Kulbeck

Roger O. Kulbeck 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).

  • Patent number: 5524913
    Abstract: An in-line wheeled roller skate for traversing rough terrain including low-profiled, wide-treaded, high-volumed pneumatic tires each followed by scrapers for discouraging debris from binding the tire against a shielding U-frame. The scrapers may be maintained at a fixed distance away from or in contact with the tread. A brake is provided at the rear of the roller skate.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: June 11, 1996
    Inventor: Roger O. Kulbeck