Issued Patents 2016
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9428968 | Rotary drill bit with cutting insert having edge preparation | Stephen M. George, Glenn W. Sheffler, Don C. Rowlett | 2016-08-30 |
| 9422812 | Cutting tool mounting assembly with elastomeric coated bushing | Chad A. Swope, Donald E. Keller | 2016-08-23 |
| 9382795 | Cutting tool mounting assembly | Paul A. Bookhamer, Luke A. Weber | 2016-07-05 |
| 9347276 | Two prong rotary drill bit with cutting insert having edge preparation | Stephen M. George, Glenn W. Sheffler, Don C. Rowlett | 2016-05-24 |
| 9303511 | Flat cutter bit with cutting insert having edge preparation | Stephen M. George, Glenn W. Sheffler, Don C. Rowlett | 2016-04-05 |