Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D473262 | Core assembly for a printer | Christopher Roy Christensen, Kenneth Colonel, Mark Allen Hitz | 2003-04-15 |
| 6425548 | Keyed hub and core for ribbon supply | Christopher Roy Christensen, Kenneth Colonel, Mark Allen Hitz | 2002-07-30 |
| D276518 | Portable loudspeaker system | — | 1984-11-27 |