Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626578 | Rotary pump with bearing wear indicator | Douglas J. Goodnick, Martin Leslie | 2003-09-30 |
| 6617731 | Rotary pump with bearing wear indicator | Douglas J. Goodnick, Patrick R. Linehan | 2003-09-09 |