Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4711403 | Method and apparatus for cleaning chicken manure from chicken houses | Charles Gregory, Charles E. Gregory, Jr. | 1987-12-08 |
| 4245657 | Method and apparatus for loading bulk tobacco barns | John D. Mitchell | 1981-01-20 |