Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996393 | Digitizer tablet with split-current conductor array | Thomas Zalenski | 1991-02-26 |
| 4831566 | Method and apparatus for calibration of a charge ratio digitizer | Henry G. Matthews, Thomas Zalenski, Al Mletzko | 1989-05-16 |
| 4788386 | Menu for a charge ratio digitizer | Henry G. Matthews, Thomas Zalenski, Al Mletzko | 1988-11-29 |
| 4734870 | Position coordinate determination device with diagonal delay line | Edward J. Snyder | 1988-03-29 |
| 4689448 | Two-dimensional position coordinate determination device with U-shaped delay line | Edward J. Snyder | 1987-08-25 |