Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6894089 | Modified silane treated pigments or fillers and compositions containing the same | Henry L. Mei, Louis Panzer, Eric R. Pohl, Philbert E. Ramdatt | 2005-05-17 |
| 6455158 | Treatment of minerals with alkylsilanes and alkylsilane copolymers | Henry L. Mei, Louis Panzer, Herbert E. Petty, Philbert E. Ramdatt, Juan Alfonso | 2002-09-24 |