Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290819 | Preparation of bead-form expandable styrene polymers | Manfred Walter | 1994-03-01 |
MW
Michael Witt
Overall (1994): #89,159 of 165,921Top 55%
1
Patents 1994