Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11986919 | Tooling assembly with internal coolant passages for machines | David Alan Stephenson, Timothy George Beyer, Michael A. Kopmanis, William E. Dowling, JR. | 2024-05-21 |
| 11491594 | Tooling assembly with internal coolant passages for machines | David Alan Stephenson, Timothy George Beyer, Michael A. Kopmanis, William E. Dowling, JR. | 2022-11-08 |
| 10220453 | Milling tool with insert compensation | David Alan Stephenson, David Garrett Coffman | 2019-03-05 |