David Howell

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Virginia Beach, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Universal system, method and computer program product for determini...
- Patent number 8,548,610
- Issue date Oct 1, 2013
- Universal Tennis, LLC
- David Edward Howell
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
System, method and computer program product for determining a tenni...
- Patent number 7,813,821
- Issue date Oct 12, 2010
- David Howell
- A63 - SPORTS GAMES AMUSEMENTS