Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12346635 | Tile planning and design | Ryan Christopher Zook, Joseph Henry Irwin, Jr., Brian Allan Dewey | 2025-07-01 |
| 10779453 | Agricultural implement for use after installation of drainage tile | Joseph Henry Irwin, Jr. | 2020-09-22 |