Matt Hackworth

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Vertical jump measuring device
- Patent number 6,181,647
- Issue date Jan 30, 2001
- The University of Tulsa
- Steven M. Tipton
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Portable verticle jump measuring device
- Patent number 5,838,638
- Issue date Nov 17, 1998
- The University of Tulsa
- Steven M. Tipton
- A63 - SPORTS GAMES AMUSEMENTS