Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657099 | Sheet for alerting a wearer to urination | Richard Louis Underhill, Terry Lee Adams | 2003-12-02 |
| 6657100 | Toilet training article containing an astringent agent | Richard Louis Underhill, Bernard Minerath, Beth Lange, Duane Krzysik, David W. Koenig | 2003-12-02 |
| 6576810 | Toilet training article containing an effervescent agent | Richard Louis Underhill, Bernard Minerath, Beth Lange, Duane Krzysik, David W. Koenig +1 more | 2003-06-10 |