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Gemstone positioning fixture
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Patent number 10,040,161
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Issue date Aug 7, 2018
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GemEx Systems, Inc.
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Randall M. Wagner
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B28 - WORKING CEMENT, CLAY, OR STONE
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Engraved gemstone viewer
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Patent number 8,035,807
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Issue date Oct 11, 2011
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GemEx Systems, Inc.
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Randall M. Wagner
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G01 - MEASURING TESTING
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Engraved gemstone viewer
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Patent number 7,468,786
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Issue date Dec 23, 2008
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GemEx Systems, Inc.
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Randall M. Wagner
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G01 - MEASURING TESTING
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Viewer for gemstones
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Patent number 6,348,964
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Issue date Feb 19, 2002
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Randall M. Wagner
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G01 - MEASURING TESTING
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