Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859366 | Low smoke modified polypropylene insulation compositions | Ronald D. Icenogle | 1989-08-22 |
| 4853154 | Low smoke polypropylene insulation compositions | Ronald D. Icenogle | 1989-08-01 |