Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5774265 | Durable retroreflective elements | James P. Mathers, Chris J. Goodbrake, Kathleen A. Hachey, Thomas P. Hedblom, Kathleen M. Humpal +3 more | 1998-06-30 |
| 4957886 | Aluminum oxide/aluminum oxynitride/group IVB metal nitride abrasive particles derived from a sol-gel process | James P. Mathers, William P. Wood | 1990-09-18 |
| 4855264 | Aluminum oxide/aluminum oxynitride/group IVB metal nitride abrasive particles derived from a sol-gel process | James P. Mathers, William P. Wood | 1989-08-08 |