Transportation – Perambulator – invalid chair – or stretcher – Element or attachment
Patent
1992-06-08
1993-12-14
Chin, Kay H.
Transportation
Perambulator, invalid chair, or stretcher
Element or attachment
Patent
active
D03422224
REFERENCES:
patent: D305629 (1990-01-01), Wood
patent: 3970344 (1976-07-01), Baumann
patent: 4193525 (1980-03-01), Sommers
patent: 4213648 (1980-07-01), Steichen
patent: 4431206 (1984-02-01), Pryor
patent: 4696420 (1987-09-01), Kulik
Chin Kay H.
Weber Don W.
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