Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874814 | Cross-linked polyvinyl butyral | Peter H. Farmer | 1989-10-17 |
| 4814529 | Cross-linked polyvinyl butyral | Peter H. Farmer | 1989-03-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874814 | Cross-linked polyvinyl butyral | Peter H. Farmer | 1989-10-17 |
| 4814529 | Cross-linked polyvinyl butyral | Peter H. Farmer | 1989-03-21 |