Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855198 | Photoengraving articles of zinc-free magnesium-based alloys | — | 1989-08-08 |
GN
Geoffrey S. Newhouse
Overall (1989): #111,568 of 140,708Top 80%
1
Patents 1989