Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743422 | Method for manufacturing a sealing body for a pipe joint | Johannes J. Laarhoven, Johannes H. Beune | 1988-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743422 | Method for manufacturing a sealing body for a pipe joint | Johannes J. Laarhoven, Johannes H. Beune | 1988-05-10 |