Material or article handling equipment – Conveying – lifting – or transferring article – Barrel – cask or drum
Patent
1987-02-06
1990-07-17
Feifer, Melvin B.
Material or article handling equipment
Conveying, lifting, or transferring article
Barrel, cask or drum
Patent
active
D03093646
REFERENCES:
patent: D229547 (1973-12-01), Hanamura
patent: D246227 (1977-11-01), Douglas
patent: D248204 (1978-06-01), Daenen
patent: D251828 (1979-05-01), Smith
patent: 1569875 (1926-01-01), Nixon
patent: 3414183 (1968-12-01), Wilcox
patent: 3516571 (1970-06-01), Roper et al.
patent: 3529743 (1970-09-01), Ehrbar et al.
patent: 4335074 (1982-06-01), Bernas
Bierce Laurence M.
Heyman J. Tad
Shaw Mark D.
Essef Corporation
Feifer Melvin B.
Lieberman Lucy
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