Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5988230 | Dual chamber dispensing cartridge refilling device | Frederick J. Turk, Bruce R. Broyles, Darin J. Meyertholen, John W. Dubbe, James D. Christoff | 1999-11-23 |
| 5651397 | Dual chamber dispensing cartridge refilling device | Frederick J. Turk, Bruce R. Broyles | 1997-07-29 |