Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6085701 | Coil tube heater for a used-oil fired furnace | Norman M. Stauffer, Emanuel S. Beiler, Frederick W. Phillips, Glenn A. Musser | 2000-07-11 |
| 5551868 | Preheater block for multi oil furnaces | Benjamin K. Smoker, David J. Yoder, Frederick W. Phillips | 1996-09-03 |
| 5531212 | Multi oil furnace | Benjamin K. Smoker, David J. Yoder, Frederick W. Phillips, Emanuel S. Beiler | 1996-07-02 |
| 5408941 | Multi oil furnace service doors | Emanuel S. Beiler, David J. Yoder | 1995-04-25 |