Material or article handling equipment – Conveying – lifting – or transferring article – Ramp
Patent
1987-07-21
1991-02-26
Chin, Kay H.
Material or article handling equipment
Conveying, lifting, or transferring article
Ramp
Patent
active
D03150461
REFERENCES:
patent: D297064 (1988-08-01), Ball et al.
patent: 3352440 (1967-11-01), Wilson
Bailey Robert W. B.
Chin Kay H.
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