Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877814 | Process for producing open-cell polyethylene foam materials and the resultant product | — | 1989-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877814 | Process for producing open-cell polyethylene foam materials and the resultant product | — | 1989-10-31 |