Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7590373 | Toner metering apparatus | Royden Thomas Kern, David Lee Merrifield, Asmund Vego | 2009-09-15 |
| 7389072 | Reducing adhesion of toner to metering devices | Royden Thomas Kern, David Lee Merrifield | 2008-06-17 |