Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880863 | Polymer blend | Robert G. Lutz | 1989-11-14 |
| 4874819 | Polymer blend | Eric R. George, Robert G. Lutz | 1989-10-17 |
| 4859729 | Plasticized composition and method of production | — | 1989-08-22 |
| 4857570 | Stabilized polymers | — | 1989-08-15 |
| 4795773 | Plasticized composition and method of production | — | 1989-01-03 |