Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Patent
1982-09-07
1985-02-26
Bullock, B. J.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
Patent
active
D02777576
REFERENCES:
patent: D137121 (1944-01-01), Wilson
patent: D201289 (1965-06-01), Heubi
patent: 2986852 (1961-06-01), Wilson
patent: 3039237 (1962-06-01), Peterson
patent: 3606703 (1971-09-01), Kraffy et al.
patent: 3942287 (1976-03-01), Tokunaga et al.
patent: 4274231 (1981-06-01), Verega
Guertin Raymond J.
Kang Chuhong
Matthews Peter P.
Brown & Sharpe Manufacturing Company
Bullock B. J.
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