Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6213353 | Solid bowl feeder and equipment tray assembly | Jeffrey J. Smith | 2001-04-10 |
| 5251459 | Thermal expansion valve with internal by-pass and check valve | Thomas Grass | 1993-10-12 |
| 4843830 | Differential ice sensor and method | — | 1989-07-04 |
| 4827397 | Microcomputer-based spark ignition gas burner control system | Jeffrey N. Arensmeier | 1989-05-02 |