Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6098902 | Spray gun for atomizing and applying liquid coatings having interchangeable nozzle assemblies | Samuel W. Culbertson | 2000-08-08 |
| 6085996 | Two-piece spray nozzle | Samuel W. Culbertson | 2000-07-11 |
| RE36378 | High volume low pressure air spray gun | — | 1999-11-09 |
| 5180104 | Hydraulically assisted high volume low pressure air spray gun | — | 1993-01-19 |
| 5064119 | High-volume low pressure air spray gun | — | 1991-11-12 |
| 4775291 | Magnetic clutch drive and thrust balancing mechanism for rotary pumps | Samuel W. Culbertson | 1988-10-04 |