Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D471161 | Heating, ventilating and air conditioning system controller | Randy S. Amborn, Peter F. Welch, Eric R. Hillmer | 2003-03-04 |
| D470114 | Heating, ventilating and air conditioning system controller | Randy S. Amborn, Peter F. Welch, Eric R. Hillmer | 2003-02-11 |
| D468616 | Tool handle | Peter F. Welch, David James Carlos Dunn | 2003-01-14 |