Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644226 | Seed sowing apparatus | Christopher J. Baker, David Robinson, William Rowlan Ritchie | 2003-11-11 |
| 4648466 | Furrow opener operating apparatus | Christopher J. Baker | 1987-03-10 |