Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7849819 | Brisket tube hanger for cow stall assembly | — | 2010-12-14 |
| 7644681 | Exit gate with cow push bar for milking parlor | — | 2010-01-12 |
| 7469658 | Channel stanchion for elevated beam cow stall assembly | — | 2008-12-30 |
| 6925962 | Elevated beam cow stall assembly | — | 2005-08-09 |
| 6612359 | Slider curtain arrangement for controlling ventilation of a livestock barn | — | 2003-09-02 |
| 5638768 | Front positioning rail for milking parlor | — | 1997-06-17 |
| D348335 | Exit gate for dairy parlor | — | 1994-06-28 |
| 5285746 | Self-indexing exit gate for milking parlor | — | 1994-02-15 |
| 5259335 | Sequencing gate for milking parlor | — | 1993-11-09 |
| 5230299 | Telescoping entry gate for milking parlor | — | 1993-07-27 |
| D333194 | Tie stall divider | John J. Dyer | 1993-02-09 |
| D330609 | Tie stall divider | John J. Dyer | 1992-10-27 |
| 5069163 | Tie stall divider | John J. Dyer | 1991-12-03 |
| 5000119 | Wedge-shaped milking stall and parlor | Albert Virgil Anderson | 1991-03-19 |