Automatic wheel chair

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Description

FIG. 1 is a front view of a automatic wheel chair showing our design;

FIG. 2 is a rear view thereof;

FIG. 3 is a perspective side elevation view thereof;

FIG. 4 is a another perspective view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D266499 October 12, 1982 Twitchell et al.
D287836 January 20, 1987 Chan et al.
4655471 April 7, 1987 Peek
Other references
  • Industrial Design, (Jul./Aug. 1981) p. 48, Wheelchair.
Patent History
Patent number: D356530
Type: Grant
Filed: Jan 29, 1993
Date of Patent: Mar 21, 1995
Assignee: Industrial Technology Research Institute (Hsinchu)
Inventors: Su Bee (Hsinchu Hsien), Wu-Yao Wei (Hsinchu Hsien)
Primary Examiner: Kay H. Chin
Attorney: W. Wayne Liauh
Application Number: 0/4,247