Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905325 | Pipe mold with compensation for pipe shrinkage | Stefan A. Lupke | 2005-06-14 |
| 6877976 | Molding die for ribbed pipe | Stefan A. Lupke | 2005-04-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905325 | Pipe mold with compensation for pipe shrinkage | Stefan A. Lupke | 2005-06-14 |
| 6877976 | Molding die for ribbed pipe | Stefan A. Lupke | 2005-04-12 |