Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699817 | Turbulent flow conduit cleaning apparatus | Mark Perry, Richard Grady | 1997-12-23 |
| 5433587 | Paint circulating method with viscosity indicator and paint agitating means | Lawrence A. Gawne | 1995-07-18 |