Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870215 | Phenol alkylation process | Steven L. Wiker, Charles W. Matthews | 1989-09-26 |
| 4870216 | Phenol alkylation process | Charles W. Matthews, Eric Batman | 1989-09-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870215 | Phenol alkylation process | Steven L. Wiker, Charles W. Matthews | 1989-09-26 |
| 4870216 | Phenol alkylation process | Charles W. Matthews, Eric Batman | 1989-09-26 |