Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9397524 | Inductively coupled ballast circuit | David W. Baarman, Scott A. Mollema, Ronald C. Markham, Dennis J. Denen | 2016-07-19 |
| 9352979 | Gravity feed water treatment system | Terry L. Lautzenheiser, Roy M. Taylor, William T. Stoner, Jr., Kenneth E. Conrad, Karen J. VanderKooi +2 more | 2016-05-31 |
| 9299493 | Inductively coupled ballast circuit | David W. Baarman, Scott A. Mollema, Ronald C. Markham, Dennis J. Denen | 2016-03-29 |