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Charles F. Krieger
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Villa Park, CA, US
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last 30 patents
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Patent Grant
Electronic item selection apparatus and method
Patent number
4,667,293
Issue date
May 19, 1987
Computer Election Systems
Charles F. Krieger
G07 - CHECKING-DEVICES
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Patent Grant
System and method for reading marks on a document
Patent number
4,479,194
Issue date
Oct 23, 1984
Computer Election Systems
M. Charles Fogg
G06 - COMPUTING CALCULATING COUNTING