| 10336639 |
Gravity feed water treatment system |
Roy W. Kuennen, Terry L. Lautzenheiser, Roy M. Taylor, William T. Stoner, Jr., Karen J. VanderKooi +2 more |
2019-07-02 |
| 9352979 |
Gravity feed water treatment system |
Roy W. Kuennen, Terry L. Lautzenheiser, Roy M. Taylor, William T. Stoner, Jr., Karen J. VanderKooi +2 more |
2016-05-31 |
| D634397 |
Water treatment device |
Terry L. Lautzenheiser, Bradley J. Pippel, Richard J. Weber, Ryan D. Schamper |
2011-03-15 |
| 7252763 |
Point-of-use water treatment system |
Roy W. Kuennen, Eric K. Bartkus, David W. Baarman, Terry L. Lautzenheiser, Greg Snyder +1 more |
2007-08-07 |
| 6984320 |
Removable closure assembly for a water treatment system |
Eric K. Bartkus, David J. Dekker |
2006-01-10 |
| 6793817 |
Lamp assembly for point-of-use water treatment system |
Roy W. Kuennen, Eric K. Bartkus, David W. Baarman, Terry L. Lautzenheiser, Greg Snyder +1 more |
2004-09-21 |
| 6569319 |
UV light intensity detector in a water treatment system |
Roy W. Kuennen, Eric K. Bartkus, David W. Baarman, Terry L. Lautzenheiser, Scott A. Mollema |
2003-05-27 |
| 6514420 |
Point-of use water treatment system |
Roy W. Kuennen, Eric K. Bartkus, David W. Baarman, Scott A. Mollema |
2003-02-04 |
| 6491868 |
Point-of-use water treatment system |
Roy W. Kuennen, Eric K. Bartkus, David W. Baarman, Terry L. Lautzenheiser, Scott A. Mollema |
2002-12-10 |
| 6451202 |
Point-of-use water treatment system |
Roy W. Kuennen, Eric K. Bartkus, David W. Baarman, Terry L. Lautzenheiser, Greg Synder +1 more |
2002-09-17 |
| 6368504 |
Carbon block water filter |
Roy W. Kuennen, Karen J. VanderKooi, Roy M. Taylor |
2002-04-09 |