Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880904 | Polyketone-based structural adhesive | Peter A. Kinneberg, Thomas A. Armer, Roger E. C. Barton, Ebel Klei | 1989-11-14 |
| 4861428 | Reinforced polymer sheet | Johannes C. M. Gillemans | 1989-08-29 |