Patents by Inventor Mary Frances Lang

Mary Frances Lang 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).

  • Systems and methods for a wheelchair tray
    Patent number: 7216929
    Abstract: Systems and methods for a wheelchair tray may include providing a tray portion and a connecting portion attached thereto. The connecting portion may be configured to attach to a wheelchair. The connecting portion may provide the tray portion with a first rotation in a plane substantially parallel to a plane of rotation of a non-pivoting wheel of the wheelchair and a second rotation in a plane substantially perpendicular to the plane of rotation of the non-pivoting wheel. The connecting portion may be releasably fixable against the first rotation.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: May 15, 2007
    Inventors: Mary Frances Lang, Gordon R. Tupper
  • Systems and methods for a wheelchair tray
    Patent number: 7210735
    Abstract: Systems and methods for a wheelchair tray may include providing a tray portion and a connecting portion attached thereto. The connecting portion may be configured to attach to a wheelchair. The connecting portion may provide the tray portion with a first rotation in a plane substantially parallel to a plane of rotation of a non-pivoting wheel of the wheelchair and a second rotation in a plane substantially perpendicular to the plane of rotation of the non-pivoting wheel. The first rotation of the tray portion may be between a first storage position in which at least most of the tray portion is disposed rearward of an axle of the non-pivoting wheel, a second storage position in which at least most of the tray portion is disposed forward of the axle of the non-pivoting wheel, and a position between the first and second storage positions in which the second rotation is permitted.
    Type: Grant
    Filed: June 7, 2005
    Date of Patent: May 1, 2007
    Inventor: Mary Frances Lang