Patents by Inventor David J. Beauchamp

David J. Beauchamp 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: 4819286
    Abstract: A stiffener and support structure for dry flotation cushions used on wheelchairs and a method for supporting dry flotation cushions used in wheelchairs. The structure includes a substantially rectangular rigid plate for inserting into the fabric covering of a dry flotation cushion for improving the support provided by a plurality of dry flotation cells when the dry flotation cushion is supported on the side frame members of a wheelchair. The rigid support plate has chamfered corners and is preferably manufactured of clear, molded plastic. The support plate is also provided with a void on the frontward section to allow formation of a pouch-like storage area by the wheelchair occupant using the support plate in a dry flotation cushion.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: April 11, 1989
    Inventor: David J. Beauchamp