Patents by Inventor Robert C. East

Robert C. East 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: 4227740
    Abstract: The attachment comprises two U-shaped tubular members joined at their open ends and offset from each other by an adjustable obtuse angle. Material providing a head rest is secured to one of the U-shaped members adjacent its closed end and a non-skid material is applied to the closed end of the other U-shaped member. The ends of the other U-shaped member are offset at an angle to facilitate insertion into the tubular handles of a wheelchair. With the attachment secured to the wheelchair, the chair can be tipped backwards and is supported by the closed end of the other U-shaped member. Two additional straps extend about the one U-shaped member below the head rest to support the upper back of the wheelchair occupant.
    Type: Grant
    Filed: April 12, 1979
    Date of Patent: October 14, 1980
    Inventor: Robert C. East