Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879642 | Servo loop processor in association with a central processing unit for closed loop control of a servo system | Glenn Ahern | 1989-11-07 |
| 4859923 | Microprocessor controlled dual channel closed loop controller for stepper motors used in servo systems | Joseph T. Goodman | 1989-08-22 |