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US1693598A
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Polishing pad for lenses and process of making same
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US1682719A
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Eyeglass case
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US1683712A
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Holder for optical lenses
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US1713120A
|
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Zylonite spectacle frame
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US1580632A
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Ophthalmic mounting
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US1596397A
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Process for making fused multifocal lenses
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US1596396A
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Process of making fused multifocal lenses
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US1643978A
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Lens block
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US1637408A
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Curvature-measuring device
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US1596395A
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Process of making fused multifocal lenses
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US1651181A
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Tool for treating ophthalmic lenses and process of making same
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US1677382A
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Process of making and marking toric and like lenses
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US1651182A
|
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Lens-grinding machine
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US1569258A
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Trifocal lens blank and lens made therefrom
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US1592076A
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Means for shaping grinders for bifocal lenses
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US1630253A
|
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Machine for grinding lenses
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US1602522A
|
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Lens-grinding machine
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US1585836A
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Temple-bar connection
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US1640824A
|
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Combination metal and nonmetal spectacle and eyeglass frame
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US1630258A
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Eyeglass and spectacle frame
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