Patents by Inventor Randal J. Kwapis

Randal J. Kwapis 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: 6979010
    Abstract: A sports wheelchair also suitable for everyday use has a low, stable, planar frame and a shock-absorbing two strut suspension that places the center of gravity of the chair and user forward of the main wheel axis. The suspension supports a planar seat assembly with both lateral seat-width and longitudinal center-of-gravity adjustments. The forward end of the frame extends a significant distance beyond the forward edge of the main wheels to mount caster-type front wheels and a large, stable transfer plate.
    Type: Grant
    Filed: June 1, 2004
    Date of Patent: December 27, 2005
    Inventor: Randal J. Kwapis