Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D372768 | Air treatment device | Christopher Miller, Thomas B. Aldrich, III, Guy Williams, Yeong C. Park | 1996-08-13 |
| 5527493 | Air treating device | Jim F. Warner, Young C. Park, Charles A. Curtiss, Martin Bogenstaerter | 1996-06-18 |
| 5478505 | Air treating device | Jim F. Warner, Young C. Park, Charles A. Curtiss, Martin Bogenstaerter | 1995-12-26 |
| 4960240 | Air freshener with integral tear-away tab | — | 1990-10-02 |
| 4660231 | Automatic toilet bowl cleaner dispenser | Martin E. Bellersen | 1987-04-28 |