Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505268 | Bidirectional field implement | Marion E. McPherson, Michael G. McPherson, Gary A. Parkos, Roger D. Noska | 1996-04-09 |
| D364174 | Rock collecting implement | Mac E. McPherson, Michael G. McPherson, Gary A. Parkos, Roger D. Noska | 1995-11-14 |
| 5450907 | Rock collecting implement | Mac E. McPherson, Michael G. McPherson, Gary A. Parkos, Roger D. Noskas | 1995-09-19 |
| 5437333 | Adjustable rock collecting implement with guards | Mac E. McPherson, Michael G. McPherson, Gary A. Parkos, Roger D. Noskas | 1995-08-01 |