Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689194 | Acoustic motor current signature analysis system with audio amplified speaker output | Reginald D. Richards, II, Robert Proffitt | 1997-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689194 | Acoustic motor current signature analysis system with audio amplified speaker output | Reginald D. Richards, II, Robert Proffitt | 1997-11-18 |