Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Patent
1979-09-21
1982-04-06
O'Keefe, Veronica
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
D15125, D24 22, 511631, D1599
Patent
active
D02637138
REFERENCES:
patent: D215322 (1969-09-01), Zerlaut
patent: D233853 (1974-12-01), Ferrarra
patent: 2813376 (1957-11-01), Middlemark
patent: 3587193 (1971-06-01), Lewis
Holman Emmette R.
O'Keefe Veronica
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