Material or article handling equipment – Conveying – lifting – or transferring article – Ramp
Patent
1986-10-14
1989-02-07
Burke, Wallace R.
Material or article handling equipment
Conveying, lifting, or transferring article
Ramp
Patent
active
D02997762
REFERENCES:
patent: D246449 (1977-11-01), Poe
patent: 3756440 (1973-09-01), Raap et al.
patent: 3818528 (1974-06-01), Petersen
Burke Wallace R.
Chin Kay H.
Gernstein Terry M.
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