Title:
Method and apparatus for simultaneously grinding lenses
United States Patent 2994164
US Patent References:
Lens-grinding apparatus
- - 1588435
Tool for lens-grinding apparatus
- - 1706723
Bowling ball cleaner or polisher
- - 2479898
Grinding apparatus
- - 2787093
Ophthalmic lenses and process and apparatus for producing the same
- - 2919523
Lens-grinding apparatus
- - 1588435
Tool for lens-grinding apparatus
- - 1706723
Bowling ball cleaner or polisher
- - 2479898
Grinding apparatus
- - 2787093
Ophthalmic lenses and process and apparatus for producing the same
- - 2919523
Inventors:
Dalton, Ernest T.
Publication Date:
08/01/1961
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Export Citation:
Assignee:
AMERICAN OPTICAL CORP
Primary Class:
Other Classes:
451/268, 451/262
International Classes:
B24B13/00