Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831566 | Method and apparatus for calibration of a charge ratio digitizer | Henry G. Matthews, Thomas Zalenski, Jamie L. Barbetti | 1989-05-16 |
| 4788386 | Menu for a charge ratio digitizer | Henry G. Matthews, Thomas Zalenski, Jamie L. Barbetti | 1988-11-29 |