Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10350776 | Cutoff knife serration | Mark Johnson | 2019-07-16 |
| D791205 | Serrated male slot knife | Mark Johnson, Jeffrey G. Cimarrusti | 2017-07-04 |
| D791206 | Serrated male slot knife | Mark Johnson, Jeffrey G. Cimarrusti, Gregory K. Farnham | 2017-07-04 |
| D772316 | Knife assembly | Mark Johnson | 2016-11-22 |
| D772317 | Knife insert | Mark Johnson | 2016-11-22 |
| 9132429 | Capped shredder knife | Douglas G. Long, Robert F. Yocum | 2015-09-15 |