Transportation – Perambulator – invalid chair – or stretcher – Wheelchair
Patent
1988-11-08
1991-01-01
Chin, Kay H.
Transportation
Perambulator, invalid chair, or stretcher
Wheelchair
Patent
active
D03133826
REFERENCES:
patent: D300733 (1989-04-01), Wagner
patent: 4268054 (1981-05-01), Twitchell et al.
Alvema AB
Chin Kay H.
LandOfFree
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