Transportation – Perambulator – invalid chair – or stretcher – Walker
Patent
1993-04-08
1995-04-25
Chin, Kay H.
Transportation
Perambulator, invalid chair, or stretcher
Walker
D12129
Patent
active
D03576523
REFERENCES:
patent: D312061 (1990-11-01), Smith
patent: D329833 (1992-09-01), Andersson et al.
patent: D344917 (1994-03-01), Kjell et al.
Chin Kay H.
Ergotek I. SMALand AB
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