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Washington, DC, United States of America

David A Steinberg

USPTO Granted Patents = 9 (Patent Applications = 9)

Average Co-Inventor Count = 1.7

ph-index = 5

Forward Citations = 180(Granted Patents)

Location History:

Washington, DC (US) (2003 - 2012)
Bethesda, MD (US) (2012)

Company Filing History:

Simplexity, LLC

Years Active: 2003-2012

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8295458 - Systems and methods for monitoring 'pay-as-you-go' telecommunication services (2012-10-23),

2. 8175966 - System and method for identifying an alternative provider of telecommunications services (2012-05-08),

3. 8068810 - Systems and methods for monitoring 'pay-as-you-go' telecommunication services (2011-11-29),

4. 8060409 - Certification and activation of used phones purchased through an online auction (2011-11-15),

5. 7493105 - Certification and activation of used phones on a wireless carrier network (2009-02-17),

6. 7318098 - Method and system for short message service (SMS) transactions for wireless devices (2008-01-08),

7. 7313106 - Method of operating a virtual private wireless network implementing message delivery preferences of the user (2007-12-25),

8. 7013127 - Systems and methods for employing 'pay-as-you-go' telecommunication services (2006-03-14),

9. 6618763 - Virtual private wireless network implementing message delivery preferences of the user (2003-09-09),

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