Transportation – Perambulator – invalid chair – or stretcher
Patent
1993-09-07
1996-04-16
Chin, Kay H.
Transportation
Perambulator, invalid chair, or stretcher
D12131
Patent
active
D03688810
REFERENCES:
patent: D336452 (1993-06-01), Holm-Rasmussen
patent: 4643446 (1987-02-01), Murphy et al.
patent: 4892323 (1990-01-01), Oxford
patent: 5322140 (1994-06-01), Bussinger
Coombes Kathleen M.
Davies Brian
Mitton John C.
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