Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5170103 | Active vibration control device | Sanjiv Tewani, Bruce L. Walcott, Ted R. Massa, Robert Stephenson, II, L. Scott Stephens | 1992-12-08 |
| 4583912 | Damped dynamic vibration absorber | James H. Ball, Pradip Sheth | 1986-04-22 |