Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12406165 | Temperature indicator | Anthony N. Fonk | 2025-09-02 |
| 12222255 | Impact indicator | Anthony N. Fonk | 2025-02-11 |
| 11555826 | Impact indicator | Anthony N. Fonk | 2023-01-17 |
| 11263504 | Temperature indicator | Anthony N. Fonk | 2022-03-01 |
| 11249107 | Impact indicator | Anthony N. Fonk | 2022-02-15 |
| 11041770 | Impact indicator | Anthony N. Fonk | 2021-06-22 |
| 6968835 | Slingshot | — | 2005-11-29 |
| 6786213 | Slingshot | — | 2004-09-07 |
| 6754968 | Aiming apparatus for a slingshot | — | 2004-06-29 |
| 5295003 | Color conversion system for monochromatic optical scanner | — | 1994-03-15 |
| 5113267 | Apparatus for and method of reconstructing a document | — | 1992-05-12 |