Slab surfacing machine
United States Patent 2985989
US Patent References:
Method of grinding glass
- - 1401832

Surfacing machine
- - 1639012

Surfacing apparatus
- - 1962766

Method and apparatus for surfacing glass
- - 2673423

Polishing apparatus
- - 2799974


Inventors:
Knost, Lloyd H.
Publication Date:
05/30/1961
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Assignee:
Knost, Lloyd H.
Primary Class:
451/41
Other Classes:
451/260, 451/159
International Classes:
B24B7/12; B24B7/24; B24B7/00; B24B7/20
US Patent References:
2847804Method of making lenses
2890551Apparatus and method of forming ophthalmic lenses