Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668754 | Nipple valve waterer | — | 2003-12-30 |
| D466586 | Nipple valve | — | 2002-12-03 |
| 5709170 | Animal alignment guide for a nipple valve waterer | David J. Vavra | 1998-01-20 |
| 5603286 | Animal alignment guide for a nipple valve waterer | — | 1997-02-18 |