Transportation – Perambulator – invalid chair – or stretcher
Patent
1990-11-09
1992-06-16
Chin, Kay H.
Transportation
Perambulator, invalid chair, or stretcher
D 6356, D12131, 280650
Patent
active
D03270416
REFERENCES:
patent: D311509 (1990-10-01), Failor et al.
patent: 4555121 (1985-11-01), Lockard et al.
patent: 4707026 (1987-11-01), Johansson
patent: 4707027 (1987-11-01), Horvath et al.
patent: 4728119 (1988-03-01), Sigafoo
Ernst Erik
Kuhl Poul
Moeller Flemming
Chin Kay H.
R82
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