Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9493992 | Cutting device and method of making | Calvin J. Stowe, II | 2016-11-15 |
| 9416612 | Lower mill spaced cutting ring structure | Calvin J. Stowe, II, Tejas J. Ghegadmal | 2016-08-16 |