Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812500 | Polyolefin compositions for water pipes and for wire and cable coatings | — | 1989-03-14 |
EH
Earl E. Hayden
Overall (1989): #118,492 of 140,708Top 85%
1
Patents 1989