Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Patent
1995-09-25
1997-07-22
Davis, Antoine Duval
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
1509
Patent
active
D03813436
REFERENCES:
patent: D214847 (1969-08-01), Urbach
patent: D215465 (1969-10-01), Ball
patent: 3213569 (1965-10-01), Haugen et al.
patent: 5217335 (1993-06-01), Houchens, Jr. et al.
Extract from assignee's instruments catalogue Essilor International, Jun. 1993, No. 1421-2.
Davis Antoine Duval
Essilor International "Compagnie Generale d'Optique"
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