Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Patent
1985-09-16
1988-08-09
Bullock, B. J.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
Patent
active
D02971437
REFERENCES:
patent: D198866 (1964-08-01), Gale
patent: D249694 (1978-09-01), Sagarian
patent: 4051748 (1977-10-01), Sherman
patent: 4140043 (1979-02-01), Huckinghaus et al.
patent: 4521142 (1985-06-01), Juskevic
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