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David Raistrick
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Bloomington, IL, US
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last 30 patents
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Patent Grant
Delivery of item specific audible information via voice server
Patent number
7,367,502
Issue date
May 6, 2008
En-Vision America, Inc.
David Raistrick
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
AUXILIARY PRESCRIPTION LABEL
Publication number
20080150275
Publication date
Jun 26, 2008
DAVID B. RAISTRICK
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Application
Delivery of item specific audible information via voice server
Publication number
20070057032
Publication date
Mar 15, 2007
David Raistrick
G06 - COMPUTING CALCULATING COUNTING