Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4442696 | Calibration fault detector and automatic calibrator | Marcellus S. Merrill | 1984-04-17 |
| 4424700 | Calibration fault detector and automatic calibrator | Marcellus S. Merrill | 1984-01-10 |
| 4380875 | Wheel alignment apparatus and method | Marcellus S. Merrill, David Thomas Chrisp | 1983-04-26 |