Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Patent
1977-11-11
1980-07-08
Burke, Wallace R.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
D1509
Patent
active
D02557991
REFERENCES:
patent: D201288 (1965-06-01), Stephenson
patent: D229956 (1974-01-01), Snyder
patent: 1186347 (1916-06-01), Stone
patent: 2648174 (1953-08-01), Bikles
patent: 3054231 (1962-09-01), Romanek
patent: 3879896 (1975-04-01), Maxfield et al.
Bullock B. J.
Burke Wallace R.
Stein Stefan M.
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