Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D446979 | Holder for perforated paper rolls | Judy A. Schultz | 2001-08-28 |
| 4422585 | Toilet paper dispenser with sliding mandrels | James A. Diring, Donald G. Krueger | 1983-12-27 |
| 4406421 | Paper towel dispenser with rack and gear drive | James A. Diring, Donald G. Krueger | 1983-09-27 |