Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7140797 | Multi-cartridge dispenser | John H. Hunter | 2006-11-28 |
| 6899254 | Venting seal for dispenser | Charles M. Frey | 2005-05-31 |
| 6601782 | Disposable spray nozzle assembly | Richard W. Clemens, John H. Hunter | 2003-08-05 |