Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9067226 | Slurry spreader having a basin and drainage nozzles | William Spencer Guthrie, John M. Coyle, Charles Hope | 2015-06-30 |
| 8858062 | Enclosed slurry spreader attachable to a discharge chute | William Spencer Guthrie, John M. Coyle, Charles Hope | 2014-10-14 |