Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275845 | Method of pretreating connecting elements of a gas-tight sleeve-type pipe connection | Reiner Krings | 1994-01-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275845 | Method of pretreating connecting elements of a gas-tight sleeve-type pipe connection | Reiner Krings | 1994-01-04 |