Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192271 | Chainsaw system | Jack Roden, Attila Nagy, Richard Wilkins, Csaba Szmutko, John Lister | 2021-12-07 |
| D602315 | Pruning shears | Nicholas Butcher, Hans-Peter Aglassinger | 2009-10-20 |
| D600514 | Blades for pruning shears | Nicholas Butcher | 2009-09-22 |