Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8800499 | Minature sludge lance apparatus | Phillip J. Hawkins, Eric R. Haberman, David W. Selfridge | 2014-08-12 |
| 8800500 | Miniature sludge lance apparatus | Phillip J. Hawkins, Eric R. Haberman, David W. Selfridge | 2014-08-12 |
| 8757104 | Miniature sludge lance apparatus | Phillip J. Hawkins, Eric R. Haberman, David W. Selfridge | 2014-06-24 |
| 8752511 | Minature sludge lance apparatus | Phillip J. Hawkins, Eric R. Haberman, David W. Selfridge | 2014-06-17 |
| 8646416 | Miniature sludge lance apparatus | Phillip J. Hawkins, Eric R. Haberman, David W. Selfridge | 2014-02-11 |