Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Patent
1977-06-02
1980-01-15
Herrmann, Winifred E.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
D1508
Patent
active
D02539535
REFERENCES:
patent: D176244 (1955-12-01), Biro
patent: D183949 (1958-11-01), Skaller
patent: D190599 (1961-06-01), Gardner
patent: D191493 (1961-10-01), Smith
patent: D218082 (1970-07-01), Cornelius et al.
patent: D223890 (1972-06-01), Hartley
patent: 3934759 (1976-01-01), Giannella
Kalowski Thaddeus J.
Keyes Richard M.
Salsbury Richard R.
Dressler Max
Herrmann Winifred E.
Restaurant Technology, Inc.
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