Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702376 | Toilet training aid providing a temperature and dimensional change sensation | Frank Steven Glaug, Michael Brunner, Debra Hartley Durrance, Christopher Peter Olson, Robert J. Schleinz +1 more | 1997-12-30 |
| 5649914 | Toilet training aid | Frank Steven Glaug, Michael Brunner, Debra Hartley Durrance, Christopher Peter Olson, Robert J. Schleinz +1 more | 1997-07-22 |