Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5213240 | Magnetic tool holder | Alfred G. Tienken, Leonard A. Dems, James David Haskins, Richard F. Raymond | 1993-05-25 |
| D282726 | Reflector | Daniel S. Latham, Alfred G. Tienken | 1986-02-25 |