Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806612 | Preceramic acetylenic polysilanes | Gregg A. Zank | 1989-02-21 |
GC
Grish Chandra
Overall (1989): #110,029 of 140,708Top 80%
1
Patents 1989