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Parkton, MD, US
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last 30 patents
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Patent Grant
System and method for computer based testing using cache and cachea...
Patent number
8,798,520
Issue date
Aug 5, 2014
Prometric Inc.
Christopher Crowhurst
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
System and Method for Computer Based Testing Using Cache and Cachea...
Publication number
20140377734
Publication date
Dec 25, 2014
Christopher Crowhurst
G06 - COMPUTING CALCULATING COUNTING
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Patent Application
SYSTEM AND METHOD FOR COMPUTER BASED TESTING USING CACHE AND CACHEA...
Publication number
20110287400
Publication date
Nov 24, 2011
PROMETRIC INC.
Christopher CROWHURST
G06 - COMPUTING CALCULATING COUNTING
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Patent Application
System and method for computer based testing using cache and cachea...
Publication number
20050026130
Publication date
Feb 3, 2005
Christopher Crowhurst
G06 - COMPUTING CALCULATING COUNTING