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Patent applications and USPTO patent grants for Exzec, Inc..The latest application filed is for "acoustic touch position sensor using shear wave propagation".
Patent | Date |
---|---|
Acoustic touch position sensor using shear wave propagation Grant 5,260,521 - Knowles * November 9, 1 | 1993-11-09 |
Touch panel for an acoustic touch position sensor using shear wave propagation Grant 5,243,148 - Knowles * September 7, 1 | 1993-09-07 |
Acoustic touch position sensor using shear wave propagation Grant 5,177,327 - Knowles January 5, 1 | 1993-01-05 |
Acoustic touch position sensor with first order lamb wave reflective arrays Grant 5,162,618 - Knowles November 10, 1 | 1992-11-10 |
Acoustic touch position sensor with shear to lamb wave conversion Grant 5,072,427 - Knowles December 10, 1 | 1991-12-10 |
SEC | 0000843916 | EXZEC INC |
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