Patents by Inventor James E. Sousa

James E. Sousa 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 restraining system
    Patent number: 5186585
    Abstract: A wheelchair security system particularly useful with vehicles used to transport individuals with ambulatory handicaps is shown having a pair of pincer elements for each wheel to be secured. The pincer elements are movable between an open wheel receiving position and a closed wheel securing position. The system is either manually or electrically actuated and can be controlled either at the wheelchair station or the driver's station.
    Type: Grant
    Filed: April 3, 1991
    Date of Patent: February 16, 1993
    Assignee: James E. Sousa
    Inventors: James E. Sousa, Ronald A. Rogers, Allen Grota