Patents by Inventor Marvin Byrd

Marvin Byrd 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: 6883819
    Abstract: This invention constitutes a lightweight wheeled chair forming a companion rider device formed of hollow tubular frame members. A tow bar can be attached to the tow bar attachment with a pin coupling assembly. The tow bar attachment is mountable to the front ends of the lower side frame of the chair or it may also be permanently fixed there. The tow bar is downwardly curved from its middle and it has a feet rest. The height of the wheelchair may be adjusted by mounting the back wheels and the castor wheels in different adjusting holes provided in the chair frames and in castor wheel attachement. The present invention is to provide a lightweight wheelchair that can be used as a standalone wheelchair, as well as for a recreational use coupled to a motorized vehicle, such as an electric wheelchair.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: April 26, 2005
    Inventor: Marvin Byrd
  • Publication number: 20020096856
    Abstract: This invention constitutes a lightweight wheeled chair forming a companion rider device is formed of hollow tubular frame members. The seat is preferably cantilevered from rear frame members. The frame includes two lower side frame members, each of which has bug wheels on the back. The front of the two lower side members are coupled together using two frame members inter-coupling the two frame members to permit adjustment and collapsing of the wheeled chair. Two upper side members extend forwardly from the rear of the wheeled chair, and are secured to the rear frame members. A seat may be supported directly on these two upper side frame members, or the two upper side frame members may serve as arms for the wheeled chair, with the seat being slung from these arms at a lower position. The present invention is to provide a lightweight wheelchair that can be used as a standalone wheelchair, as well as for a recreational use coupled to a motorized vehicle.
    Type: Application
    Filed: January 16, 2002
    Publication date: July 25, 2002
    Inventor: Marvin Byrd