Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6148873 | Apparatus for producing reinforcing cages for rectangular pipes made of concrete | — | 2000-11-21 |
| 5271436 | Machine and method for producing reinforcing cages for concrete pipes | Albert Pfender | 1993-12-21 |