Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880757 | Chemical preparation of zirconium-aluminum-magnesium oxide composites | Walter W. Henslee | 1989-11-14 |
TW
Thomas S. Witkowski
Overall (1989): #49,753 of 140,708Top 40%
1
Patents 1989