Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4256920 | Re-enterable duct seal | Hassan A. Sherif | 1981-03-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4256920 | Re-enterable duct seal | Hassan A. Sherif | 1981-03-17 |