Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8253773 | Video camera utilizing subscriber-based networks | — | 2012-08-28 |
| 5261218 | Powered rake having debris windrowing mechanism | Eric Johnson, R. Nathan Massey | 1993-11-16 |
| 5027724 | Subsoil fertilizer applicator having arcuately adjustable knife | Timothy J. Ptacek, Eric Johnson | 1991-07-02 |