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Roger S. Hutchison
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Golden, CO, US
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last 30 patents
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Patent Grant
Security device for destroying the information bearing layer and da...
Patent number
6,039,637
Issue date
Mar 21, 2000
CD-Rom USA, Inc.
Roger S. Hutchison
B24 - GRINDING POLISHING
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Patent Grant
Security device for removing the information bearing layer and data...
Patent number
5,954,569
Issue date
Sep 21, 1999
CD Rom, Inc.
Roger S. Hutchison
B24 - GRINDING POLISHING
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Patent Grant
Method and system for decoding digital audio files
Patent number
5,367,301
Issue date
Nov 22, 1994
CD ROM, Inc.
Nelson H. Stiltner
G06 - COMPUTING CALCULATING COUNTING