Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11051998 | Portable and collapsible support structures and related methods | — | 2021-07-06 |
| 10632030 | Portable and collapsible support structures and related methods | — | 2020-04-28 |
| 7896161 | Child-resistant, senior friendly carded package and method of assembly | Shawn P. Reilley, Curtis A. Knutson, Jeff Smoczynski | 2011-03-01 |
| 6240249 | Electric water heater with simplified phase conversion apparatus | David L. Henderson | 2001-05-29 |
| 6239512 | Electric water heater with simplified phase conversion apparatus | David L. Henderson | 2001-05-29 |
| 5251282 | Electric water heater with improved insulation structure and control panel housing arrangement | David M. Hanning | 1993-10-05 |
| 5134683 | Water heater with integral drainage catch pan structure | — | 1992-07-28 |
| 5085205 | Fuel-fired water heated with combination drainage pan and combustion air flow control apparatus | Jacob H. Hall | 1992-02-04 |