Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861805 | Antistatic polyurethane shoe sole compositions | Jose V. Saavedra, Douglas L. Hunter, Steve A. Sims, Thomas M. Knobel | 1989-08-29 |
| 4806571 | Organic composition containing a fluoroalkyl sulfonic acid salt | Thomas M. Knobel, Mary K. Walker | 1989-02-21 |