Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Patent
1997-12-02
1998-12-29
Davis, Antoine Duval
Machines not elsewhere specified
Material working, abrading, or founding machinery
Element or attachment
1509
Patent
active
D04033361
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Arfele Robert W.
Espiritu George A.
Martin, Jr. Ed R.
Bushman Browning
Davis Antoine Duval
Dresser Industries Inc.
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