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Michael D. Callahan
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Sparks, NV, US
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Patents Grants
last 30 patents
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Patent Grant
Gaming device display with simulated halftones
Patent number
6,976,915
Issue date
Dec 20, 2005
IGT
Curtis L. Baker
G07 - CHECKING-DEVICES
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last 30 patents
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Patent Application
Gaming device display with simulated halftones
Publication number
20040021705
Publication date
Feb 5, 2004
Curtis L. Baker
G07 - CHECKING-DEVICES