Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855274 | Process for making a noble metal on tin oxide catalyst | Billy T. Upchurch, Irvin M. Miller | 1989-08-08 |
PD
Patricia A. Davis
Overall (1989): #71,371 of 140,708Top 55%
1
Patents 1989