Patents by Inventor Nathalal C. Patel

Nathalal C. Patel 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).

  • Adjustable rear wheel mounting assembly for wheelchairs
    Patent number: 4805925
    Abstract: The sports wheelchair includes a frame portion (A) having left and right side frame portions. Rear wheel assemblies (B) are connected with the left and right side frame portions such that the rear wheels are connectable to the frame in any one of a plurality of positions and with an adjustable camber. A pair of front wheel assemblies (C) selectively interconnect front wheels with the frame with any one of a plurality of adjustable height, inward-outward, and forward-aft positions. An operator supporting seat (D) having a segmented center portion and an outer portion is selectively interconnected with the left and right side frame portions. A folding mechanism (E) enables the left and right side frame portions to be folded together for easier transportation and storage.
    Type: Grant
    Filed: October 9, 1987
    Date of Patent: February 21, 1989
    Assignee: Invacare Corporation
    Inventors: Gilbert E. Haury, Nathalal C. Patel, Walter G. Lockard, Thomas R. Wiatrak, Neal J. Curran