Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5782200 | Poultry feeder | James Knowles, Joseph Knowles, Marvin E. Knowles | 1998-07-21 |
| 5498205 | Roof ventilator | James Knowles, Joseph Knowles | 1996-03-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5782200 | Poultry feeder | James Knowles, Joseph Knowles, Marvin E. Knowles | 1998-07-21 |
| 5498205 | Roof ventilator | James Knowles, Joseph Knowles | 1996-03-12 |