Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Patent
1986-05-07
1989-02-28
Bullock, B. J.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
D 3 73, D 9374, D 9382, D 9383
Patent
active
D03000362
REFERENCES:
patent: D225101 (1972-11-01), Marchetti
patent: D282958 (1986-03-01), Carlson
patent: D289976 (1987-05-01), Humpries
patent: 3149438 (1964-09-01), Morley et al.
patent: 4534139 (1985-08-01), Desjardins
Bullock B. J.
Campbell Hausfeld/ Scott Fetzer Company
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