Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5464532 | Water softener with resin beads of different mesh sizes | Duane D. Nowlin | 1995-11-07 |
| 4181470 | Gas-operated liquid pump | — | 1980-01-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5464532 | Water softener with resin beads of different mesh sizes | Duane D. Nowlin | 1995-11-07 |
| 4181470 | Gas-operated liquid pump | — | 1980-01-01 |