Patents by Inventor Sidney P. Bowermaster

Sidney P. Bowermaster 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 attachment
    Patent number: 4506903
    Abstract: A device is disclosed for detachably coupling a wheeled oxygen tank cart to a wheelchair such that they are transportable together as a unit without the need of a separate operator of the cart. The device is adjustable in length such that various sizes of wheelchairs may be accommodated. In one embodiment, the oxygen cart rolls in tandem with the wheelchair during use of the device; in another embodiment, the oxygen cart is wholly supported on the wheelchair by the device.
    Type: Grant
    Filed: March 3, 1983
    Date of Patent: March 26, 1985
    Assignee: NDK, Incorporated
    Inventor: Sidney P. Bowermaster