Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D479476 | Ladle thermometer | Allan C. Ahrens, Pat Nielsen | 2003-09-09 |
| D477505 | Spoon thermometer | Allan C. Ahrens, Patricia A. Nielsen | 2003-07-22 |
| D457078 | Offset probe thermometer | Patricia May Koeppel | 2002-05-14 |