Robert Dvonch

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Manassas, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 7,729,957
- Issue date Jun 1, 2010
- United States Postal Service
- John J. Sadler
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20030236757
- Publication date Dec 25, 2003
- John J. Sadler
- G06 - COMPUTING CALCULATING COUNTING