Transportation – Perambulator – invalid chair – or stretcher – Walker
Patent
1995-10-27
1997-10-21
Chin, Kay H.
Transportation
Perambulator, invalid chair, or stretcher
Walker
1212
Patent
active
D03852334
REFERENCES:
patent: 4341381 (1982-07-01), Norberg
patent: 4643211 (1987-02-01), Morris et al.
patent: 4700730 (1987-10-01), Samuelson et al.
Doyle Brian Peter
Fernie Geoffrey Roy
Chin Kay H.
CSIA Research Foundation
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