Patents by Inventor Kenneth H. Norberg

Kenneth H. Norberg 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: 4341381
    Abstract: An invalid walker comprising a pair of interconnected upright posts having caster type wheels at the lower ends and crutch shoulder supports at the upper ends, and being adjustable in height. Trailing legs, which extend rearward and downward are pivoted to channel members extending from the posts to collapse them, and have integral stop members to engage the post to prevent over extension. A latch means on the channel member locks the trailing legs in their extended positions, but are easily released for collapsing the walker for placement in an automobile.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: July 27, 1982
    Inventor: Kenneth H. Norberg