Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198558 | Process for the preparation of triphenylmethane dyes | Steven P. Rines | 1993-03-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198558 | Process for the preparation of triphenylmethane dyes | Steven P. Rines | 1993-03-30 |