Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7491912 | Portable container with temperature control chamber | — | 2009-02-17 |
| 7131187 | Method of making a heater element for a seat assembly | William R. Parnis, Thomas A. Stuef | 2006-11-07 |
| 6489595 | Electric heater for a seat assembly | William R. Parnis, Thomas A. Stuef | 2002-12-03 |
| 6248981 | Sealed food container and method of ensuring delivery of the container in a heated state | — | 2001-06-19 |
| 6169270 | Sealed food container and method of ensuring delivery of the container in a heated state | — | 2001-01-02 |
| 6018143 | Heat thermal bag | — | 2000-01-25 |
| 4562956 | Domestic hot water zone valve controlled external coil | — | 1986-01-07 |