Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D744302 | Sifting implement | Marc Hanchak, Shane Korthuis | 2015-12-01 |
| 8684186 | Sifting implement and methods of using the same | — | 2014-04-01 |
| 4817346 | Device for feeding preservative to wooden posts | — | 1989-04-04 |