David Grandfield

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Frisco, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Article identification system with faraday screens
- Patent number 8,162,213
- Issue date Apr 24, 2012
- G&K Services, Inc.
- David F. Larson
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
ARTICLE IDENTIFICATION SYSTEM
- Publication number 20100019035
- Publication date Jan 28, 2010
- G&K SERVICES, INC.
- David F. Larson
- G06 - COMPUTING CALCULATING COUNTING