Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685762 | De-boxing apparatus for honey frames | David F. Penrose, Roland A. Hitchcox, deceased | 1997-11-11 |
| 5662511 | Honey frame feeding apparatus | David F. Penrose, Roland A. Hitchcox, deceased | 1997-09-02 |