Patents by Inventor Dayn E. Beals

Dayn E. Beals 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).

  • Wheelchair drive assembly
    Patent number: 6755430
    Abstract: A wheelchair drive mechanism having a transmission providing forward, rearward and neutral motion through movement of a drive arm in an arcuate path.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: June 29, 2004
    Inventors: Brian M. Watwood, Errol C. Armstrong, Dayn E. Beals, Duane DeJong