Transportation – Perambulator – invalid chair – or stretcher – Walker
Patent
1993-07-09
1995-02-21
Chin, Kay H.
Transportation
Perambulator, invalid chair, or stretcher
Walker
D21 59
Patent
active
D03556298
REFERENCES:
patent: D338434 (1993-08-01), Muff et al.
patent: 1729557 (1929-09-01), Stoll
patent: 3529819 (1970-09-01), Blank
patent: 3553746 (1971-01-01), Serger
patent: 4844107 (1989-07-01), Watkins
patent: 4902000 (1990-02-01), Starks et al.
patent: 4907972 (1990-03-01), Marolda
patent: 4946158 (1990-08-01), Olayan
patent: 5120287 (1992-06-01), Brown
Chin Kay H.
Gernstein Terry M.
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