Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7225680 | Differential pressure gauge for filter | Michael J. Gustafson, John R. Hacker, John F. Connelly | 2007-06-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7225680 | Differential pressure gauge for filter | Michael J. Gustafson, John R. Hacker, John F. Connelly | 2007-06-05 |