Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978977 | Dual lift system | Ken Wendorf, Glenn H. Schmidt | 2005-12-27 |
| 6899121 | Switching valve seal | — | 2005-05-31 |
| 6892750 | Switching valve | — | 2005-05-17 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978977 | Dual lift system | Ken Wendorf, Glenn H. Schmidt | 2005-12-27 |
| 6899121 | Switching valve seal | — | 2005-05-31 |
| 6892750 | Switching valve | — | 2005-05-17 |