Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7530139 | Microfiber cleaning apparatus with cleaning pad removal feature | Duane Niemeyer, Harry Haggin, Greg Maes, Jon Akin | 2009-05-12 |
| 7530578 | Step-on receptacle with tip prevention | Duane Niemeyer, Mickey Haggin, Robert Wareheim | 2009-05-12 |