Patents by Inventor JEFFREY RUFFING

JEFFREY RUFFING 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 FOR SPECIALIZED SPORTS APPLICATIONS
    Publication number: 20210283952
    Abstract: A wheelchair can comprise: a frame comprising an upper portion and a lower portion that is coupled to the upper portion so that the upper portion is vertically adjustable with respect to the lower portion. A pair of drive wheels can be coupled to the frame. A plurality (e.g., a pair) of casters are coupled to the frame. Each caster can have a respective swivel axis. At least one caster of the plurality of casters can be configured to be locked to prevent swiveling about its respective swivel axis and unlocked to enable swiveling about its respective swivel axis.
    Type: Application
    Filed: March 12, 2021
    Publication date: September 16, 2021
    Inventors: Rory Cooper, JONATHAN DUVALL, ROBERT McDONOUGH, AARON TYLER ANDERSON, SIEW SEANG ONG, JEFFREY RUFFING