Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865831 | Recovery of zinc and ammonium chloride | Frank H. Murphy | 1989-09-12 |
MO
Matt W. Oleksy
Overall (1989): #79,452 of 140,708Top 60%
1
Patents 1989