Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10160152 | Long fiber extrusion apparatus and method | Mark K. Donohoo, Michael L. Walker, Michael A. Meredith, Steven W. Spahn | 2018-12-25 |
| 9834390 | Bulk cargo blending hopper | Mark K. Donohoo, Michael L. Walker, Michael A. Meredith, Steven W. Spahn | 2017-12-05 |
| 8894398 | Modular plastics extrusion apparatus | Mark K. Donohoo, Terry B. McGregor, Michael L. Walker, Michael A. Meredith, Steven W. Spahn | 2014-11-25 |