Patents by Inventor Beat W. Studer

Beat W. Studer 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: 4401178
    Abstract: A stair climbing wheelchair carrier comprising a handle assembly and base, the handle assembly for securing the wheelchair to the carrier, means for securing the handle assembly to the base, the base comprising a pair of spaced endless tracks having climbing lugs on the outside surface thereof, each of the endless tracks entrained around a pair of rollers and passing under the outer surface of a runner, one of the rollers situate proximate one end of the runner, the other proximate the other end, the runner being bent intermediate its ends to form a first portion extending away from one of the rollers and a second portion extending away from the first portion towards the second roller at an angle of between about 125.degree. and about 145.degree.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: August 30, 1983
    Assignee: Stair Aid Corporation of North America
    Inventor: Beat W. Studer