Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7133534 | Copy protection via redundant watermark encoding | Michael Epstein | 2006-11-07 |
| 6986048 | Protecting content from illicit reproduction by proof of existence of a complete data set using security identifiers | Michael Epstein | 2006-01-10 |
| 5635683 | Dynamic pressure adjustment of a pressure-sensitive pointing device for a digitizer | Anthony M. Scialdone | 1997-06-03 |
| 5416280 | Digitizer tablet using relative phase detection | Daniel G. Lasley | 1995-05-16 |
| 5229551 | Hysteresis compensation for a digitizer tablet | Thomas Zalenski | 1993-07-20 |
| 5210380 | Digitizer with serpentine-type conductor grid having uniform conductor repeat increments | Paul D. Smith, Scott A. McDermott | 1993-05-11 |
| 5179254 | Dynamic adjustment of filter weights for digital tablets | — | 1993-01-12 |
| 5157227 | Digitizer tablet with regional error correction | Michael Bals | 1992-10-20 |
| 5111005 | Graphics tablet with N-dimensional capability | Paul D. Smith, Michael J. Padula | 1992-05-05 |
| 5051545 | Digitizer with serpentine conductor grid having non-uniform repeat increment | — | 1991-09-24 |