Transportation – Perambulator – invalid chair – or stretcher – Walker
Patent
1990-11-02
1992-11-10
Chin, Kay H.
Transportation
Perambulator, invalid chair, or stretcher
Walker
D12128
Patent
active
D03308782
REFERENCES:
patent: 4461471 (1984-07-01), Brastow
patent: 4800910 (1989-01-01), Gamm
patent: 4850641 (1989-07-01), Walker
patent: 4907839 (1990-03-01), Rose et al.
Chin Kay H.
Gilden Leon
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