Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6726021 | Stopper debris separator | Patrick G. Kennedy | 2004-04-27 |
| D295905 | Base for a pig feeder | Ray E. Swartzendruber | 1988-05-24 |
| 4640229 | Apparatus for feeding livestock | Ray E. Swartzendruber | 1987-02-03 |
| 4421060 | Nipple waterer | Don R. Frush | 1983-12-20 |