Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851176 | Method of forming a fluid seal | Keith W. Christiansen | 1989-07-25 |
| 4738606 | Mold assembly for forming a seal unit | Keith W. Christiansen | 1988-04-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851176 | Method of forming a fluid seal | Keith W. Christiansen | 1989-07-25 |
| 4738606 | Mold assembly for forming a seal unit | Keith W. Christiansen | 1988-04-19 |