Patents by Inventor Proctor Weeks May

Proctor Weeks May 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: 6315306
    Abstract: A nestable wheelchair of the type in which a seat portion of one chair can be slid underneath the seat portion of a next adjacent chair, for nesting, and having side frames supporting the seat, the side frames being further apart at the rear and closer together at the front of the chair, and, a rear support frame extending upwardly and downwardly behind the side frame, the rear support frame having a handle at the upper end for pushing the chair, lower bracing frames extending from forward extensions of the side frames to the rear support frame, with their forward width spacing being less than their rearward width spacing, forward wheels mounted on the forward ends of said lower bracing frames, and rearward wheels mounted on rearward portions of the lower bracing frames, longitudinal bars extending parallel to the lower bracing frames at a predetermined height, permitting forward portions of a rearward chair to be inserted beneath the bar of a nest adjacent forward chair, and providing a lifting action so as
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: November 13, 2001
    Assignee: CSIA Research Foundation
    Inventors: Geoffrey Roy Fernie, Philip Joseph Wilcox, Proctor Weeks May