Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467494 | Arrangement in a vacuum sewer system for preventing water entering a pneumatic controller through a breather line | Claus Kolb, REINHOLD WILLY BETZ | 2002-10-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467494 | Arrangement in a vacuum sewer system for preventing water entering a pneumatic controller through a breather line | Claus Kolb, REINHOLD WILLY BETZ | 2002-10-22 |