Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362323 | Pipe part with a socket end | Bernhard Lodder, Jan P. van Dongeren | 1982-12-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362323 | Pipe part with a socket end | Bernhard Lodder, Jan P. van Dongeren | 1982-12-07 |