Material or article handling equipment – Conveying – lifting – or transferring article – Mobile stair
Patent
1992-08-12
1994-02-15
Chin, Kay H.
Material or article handling equipment
Conveying, lifting, or transferring article
Mobile stair
D34 28
Patent
active
D03443841
REFERENCES:
patent: D296374 (1988-06-01), Herrmann et al.
patent: D318357 (1991-07-01), Adrian et al.
patent: 3970187 (1976-07-01), Esaki et al.
Ichikawa Yoko
Kamoshita Norio
Omachi Akira
Saito Chuichi
Shibuya Shinji
Chin Kay H.
Hitachi , Ltd.
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