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| Systems and methods for multi-pressure interaction on touch-sensitive surfaces DA Grant, JM Cruz-Hernandez, A Modarres US Patent 9,582,178, 2017 | 222 | 2017 |
| Method and apparatus for providing haptic feedback having a position-based component and a predetermined time-based component D Grant US Patent 7,283,120, 2007 | 222 | 2007 |
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| Haptic feedback using composite piezoelectric actuator A Modarres, JM Cruz-Hernandez, DA Grant, C Ramstein US Patent 8,390,594, 2013 | 193 | 2013 |
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| Systems and methods for controlling a resonant device for generating vibrotactile haptic effects DA Grant, JMC Hernandez, P Gregorio, RA Lacroix, P Favreau US Patent 7,639,232, 2009 | 185 | 2009 |
| Haptic effects with proximity sensing DA Grant, P Gregorio, RA Lacroix US Patent 7,890,863, 2011 | 179 | 2011 |
