Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10014722 | Inductively coupled ballast circuit | Roy W. Kuennen, David W. Baarman, Scott A. Mollema, Ronald C. Markham | 2018-07-03 |
| 9590456 | Inductively coupled ballast circuit | Roy W. Kuennen, David W. Baarman, Scott A. Mollema, Ronald C. Markham | 2017-03-07 |
| 9397524 | Inductively coupled ballast circuit | Roy W. Kuennen, David W. Baarman, Scott A. Mollema, Ronald C. Markham | 2016-07-19 |
| 9299493 | Inductively coupled ballast circuit | Roy W. Kuennen, David W. Baarman, Scott A. Mollema, Ronald C. Markham | 2016-03-29 |
| 8618749 | Inductively coupled ballast circuit | Roy W. Kuennen, David W. Baarman, Scott A. Mollema, Ronald C. Markham | 2013-12-31 |
| 8222827 | Inductively coupled ballast circuit | Roy W. Kuennen, David W. Baarman, Scott A. Mollema, Ronald C. Markham | 2012-07-17 |
| 7880414 | Control and motor arrangement for use in model train | Neil Young, Gary L. Moreau, Martin Pierson, Robert Grubba | 2011-02-01 |
| 7832679 | Sheet material dispenser with perforation sensor and method | Joshua Michael Broehl, John Knittle | 2010-11-16 |
| 7656110 | Control and motor arrangement for use in model train | Neil Young, Gary L. Moreau, Martin Pierson, Robert Grubba | 2010-02-02 |
| 7570067 | Minimizing paper waste carousel-style dispenser apparatus, sensor, method and system with proximity sensor | Gary E. Myers, Charles W. Groezinger, John Knittle | 2009-08-04 |
| 7307394 | Control and motor arrangement for use in model train | Neil Young, Gary L. Moreau, Martin Pierson, Robert Grubba | 2007-12-11 |
| 7298103 | Control and motor arrangement for use in model train | Neil Young, Gary L. Moreau, Martin Pierson, Robert Grubba | 2007-11-20 |
| 7211976 | Control and motor arrangement for use in model train | Neil Young, Gary L. Moreau, Martin Pierson, Robert Grubba | 2007-05-01 |
| 7191977 | Sheet material dispenser with perforation sensor and method | Joshua Michael Broehl, John Knittle | 2007-03-20 |
| 7182288 | Waste minimizing carousel-style dispenser | Craig D. Yardley, Joshua Michael Broehl, Robert J. Hayes, John Knittle, Brian K. Linstedt +2 more | 2007-02-27 |
| 7180248 | Inductively coupled ballast circuit | Roy W. Kuennen, David W. Baarman, Scott A. Mollema, Ronald C. Markham | 2007-02-20 |
| 7161359 | Paper dispenser with proximity detector | Gary E. Myers, Charles W. Groezinger, John Knittle | 2007-01-09 |
| 7102366 | Proximity detection circuit and method of detecting capacitance changes | Gary E. Myers, Charles W. Groezinger, John Knittle | 2006-09-05 |
| 6857580 | Plug-in type liquid atomizer | Scott D. Walter, Thomas A. Helf, Edward J. Martens, III, Luke Stonis, John Knittle +1 more | 2005-02-22 |
| 6838887 | Proximity detection circuit and method of detecting small capacitance changes | Gary E. Myers, Charles W. Groezinger, John Knittle | 2005-01-04 |
| 6825620 | Inductively coupled ballast circuit | Roy W. Kuennen, Scott A. Mollema, David W. Baarman, Ronald C. Markham | 2004-11-30 |
| 6793170 | Waste minimizing paper dispenser | Craig D. Yardley, Joshua Michael Broehl, Robert J. Hayes, John Knittle, Brian K. Linstedt +2 more | 2004-09-21 |
| 6766977 | Sheet material dispenser with perforation sensor and method | Joshua Michael Broehl, John Knittle | 2004-07-27 |
| 6765356 | Control and motor arrangement for use in model train | Neil Young, Gary L. Moreau, Martin Pierson, Robert Grubba | 2004-07-20 |
| 6592067 | Minimizing paper waste carousel-style dispenser apparatus, sensor, method and system with proximity sensor | Craig D. Yardley, Joshua Michael Broehl, Robert J. Hayes, John Knittle, Brian K. Linstedt +2 more | 2003-07-15 |