Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537407 | Apparatus for testing pipes by a pipe tester | Herbert Jansen, Hans-Gunter Schiffers | 1985-08-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537407 | Apparatus for testing pipes by a pipe tester | Herbert Jansen, Hans-Gunter Schiffers | 1985-08-27 |