Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Patent
1978-12-04
1981-09-01
Bullock, B. J.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Element or attachment
D 8387, D 8388, D1509, D0808
Patent
active
D02605252
REFERENCES:
patent: 1630602 (1927-05-01), Blanco
patent: 3699841 (1972-10-01), Lanius
patent: 3710676 (1973-01-01), Ringland
patent: 3738218 (1973-06-01), Gutshall
patent: 3739682 (1973-06-01), Siebol
patent: 3739682 (1973-06-01), Siebol et al.
patent: 3884117 (1975-05-01), Eager
patent: 3982464 (1976-09-01), Sygnator
patent: 4028987 (1977-06-01), Wilson
patent: 4034641 (1977-07-01), Williams et al.
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