Material or article handling equipment – Conveying – lifting – or transferring article – Crane or hoist
Patent
1986-06-30
1988-12-13
Burke, Wallace R.
Material or article handling equipment
Conveying, lifting, or transferring article
Crane or hoist
Patent
active
D02989794
REFERENCES:
patent: D199989 (1965-01-01), Hoff
patent: D257028 (1980-09-01), Row
patent: 2854852 (1958-10-01), Clark
patent: 4706940 (1987-11-01), Harig
patent: 4723757 (1988-02-01), Steinman et al.
Burke Wallace R.
Chin Kay H.
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