Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8033029 | Multi-reel marking apparatus | John E. Johnston, Andrew Butler, David Titzler, Edward Cooper, Christopher Tackind +1 more | 2011-10-11 |
| 4238664 | Burn-in knife with edge guide | — | 1980-12-09 |