Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8281821 | Leak stop seal for water cooler | Gregory N. Spear, Terry Havener, Chun-Yen Wang, Hung-Hsiang Chen, Siak Jenn Chuan | 2012-10-09 |
| 6945289 | Bottled water dispenser with shutoff, variable filtration capacity and replaceable cartridge filter | Michael S. Marszalec, Chun-Yen Wang, Rafael M. Rodriguez, Nathan Snell, Todd Krawczyk +2 more | 2005-09-20 |
| 6871675 | Countertop water dispenser | Michael S. Marszalec, Michael T. Kopczewski, Jay F. Perkins, Rafael M. Rodriguez, Chun-Yen Wang +5 more | 2005-03-29 |
| 6123232 | Liquid dispensing device and hygienic adapter therefor | Edward H. Donselman, Scott E. Sloan, Steve Suchanek | 2000-09-26 |
| 6029860 | Liquid dispensing device and hygienic adapter | Edward H. Donselman, Scott E. Sloan, Steve Suchanek | 2000-02-29 |
| 5911341 | Liquid dispenser with readily removable reservoir and adaptor permitting use with various dispensers | Edward H. Donselman | 1999-06-15 |
| 5695094 | Cabinet and supporting frame for liquid dispensing system with removable reservoir and hot tank | Robin R. Saar, Knute Palmer Alstad, David W. Wendt, Edward H. Donselman | 1997-12-09 |
| 5667103 | Liquid dispenser with readily removable reservoir and adaptor permitting use with various dispensers | Edward H. Donselman | 1997-09-16 |
| 5577393 | Liquid dispensing device with separable waterway | Edward H. Donselman, Scott E. Sloan, Steve Suchanek | 1996-11-26 |
| 5553935 | Cabinet and supporting frame for liquid dispensing system | Robin R. Saar, Knute Palmer Alstad, David W. Wendt | 1996-09-10 |
| 5493873 | Liquid dispensing device | Edward H. Donselman, Scott E. Sloan, Steve Suchanek | 1996-02-27 |
| 4829158 | Portable electric oven utilizing recirculating high speed air for cooking | — | 1989-05-09 |