Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436299 | Water treatment system with an inductively coupled ballast | David W. Baarman, Roy W. Kuennen, Dennis J. Denen, Terry L. Lautzenheiser, Ronald C. Markham | 2002-08-20 |