Hughey; Patrick W., Gray; Francis I. - US Patent Attorneys and Agents

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An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.

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Number of patents: 1
Last date: August 28, 1990

Number	Title	Issue Date
4952919	Trackball mechanism A trackball-type input device (10) uses a retainer (114) to secure a ball (80) to a housing (12) so that a large segment (164) of the ball (80) protrudes from the housing (12) for manipulation by the user, thereby affording precise control over rotational...	08/28/1990