Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D335681 | Compact folding photographic camera | John H. Betts, Donald H. Hendry, Bruce K. Johnson, George D. Whiteside | 1993-05-18 |
| 5151728 | 6-bar erecting system | Donald H. Hendry, Bruce K. Johnson, Bruce C. Vierstra | 1992-09-29 |