Transportation – Perambulator – invalid chair – or stretcher
Patent
1997-06-05
1998-09-01
Chin, Kay H.
Transportation
Perambulator, invalid chair, or stretcher
D12132, 1212
Patent
active
D03976432
REFERENCES:
patent: D312992 (1990-12-01), Liebman
patent: D339771 (1993-09-01), Newman
patent: 4742587 (1988-05-01), Dove
patent: 5060324 (1991-10-01), Marinberg et al.
patent: 5211186 (1993-05-01), Shoemaker et al.
patent: 5577281 (1996-11-01), Mital et al.
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