Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10940416 | Air filter devices with gap sealing unit | Glen O. Gregerson, David J. Prince, Danielle M. Schreppel, Craig D. Thompson, Judd D. Olson | 2021-03-09 |
| D556966 | Scouring article | Carter Z. Swift, Lou D. Hibbard | 2007-12-04 |
| D518260 | Cleaning head for a cleaning tool | Delphine Elisabeth Aubourg, Perry S. Dotterman, Kristine Krumhus, Michael J. Kubes | 2006-03-28 |