Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Patent
1989-07-14
1992-09-15
Holtje, Nelson C.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Element or attachment
D10 46, D10103, D15138, D15199
Patent
active
D03294412
REFERENCES:
patent: 2275889 (1942-03-01), Cleary
patent: 3845997 (1974-11-01), Boden et al.
patent: 4141604 (1975-02-01), Habermann et al.
patent: 4500142 (1985-02-01), Brunet
patent: 4794290 (1988-12-01), Nagasaka
patent: 4959568 (1990-09-01), Stokes
Davis Antoine D.
Holtje Nelson C.
Litman Richard C.
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