Justin Willow

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Stanford, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Detecting physical objects states using electromagnetic sensors
- Patent number 6,417,663
- Issue date Jul 9, 2002
- Interval Research Corporation
- Philippe P. Piernot
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Video camera based computer input system with interchangeable physi...
- Patent number 6,047,249
- Issue date Apr 4, 2000
- Interval Research Corporation
- Philippe P. Piernot
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Video camera based computer input system with interchangeable physi...
- Patent number 5,953,686
- Issue date Sep 14, 1999
- Interval Research Corporation
- Philippe P. Piernot
- G06 - COMPUTING CALCULATING COUNTING