Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8733218 | Sheet material dispenser | Lawrence R. Hansen, Daniel C. Kananen | 2014-05-27 |
| 8578826 | Sheet material dispenser | Lawrence R. Hansen, Daniel C. Kananen | 2013-11-12 |
| 8146471 | Sheet material dispenser | Lawrence R. Hansen, Daniel C. Kananen | 2012-04-03 |
| 7165410 | Evaporative cooler drain pump | Larry Drake Hansen, Gary Stephen Jouas | 2007-01-23 |
| 6888108 | Low voltage power supply system for an electric blanket or the like | — | 2005-05-03 |
| 6817867 | Connector arrangement for an electric blanket or the like having a low voltage power supply | Richard Zimmerer | 2004-11-16 |
| 6713724 | Heating element arrangement for an electric blanket or the like | Richard Zimmerer | 2004-03-30 |
| 5879559 | Valve controller for water conditioning system | Michael Schreiner, Nick William Buettner | 1999-03-09 |