Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973828 | Liquid level sensor | Bernd Zimmermann, David Reynolds | 2005-12-13 |
| 6862932 | Liquid level sensor | Bernd Zimmermann, David Reynolds | 2005-03-08 |
| 6584940 | Flue pipe control | Prasad S. Khadkikar, Christine M. Hudson, Jeffrey Alan West, Derek Rose, Douglas J. Kempf +2 more | 2003-07-01 |