Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542715 | Metal expansion joint and vibration absorber apparatus for pipe systems | Werner Petermann | 1996-08-06 |
| 5480194 | Metal expansion joint vibration absorber apparatus for pipe systems | Werner Petermann | 1996-01-02 |