Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10137510 | Rotary cutting tool having axially supported lead cutting insert and a continuous cutting edge | William B. Johnson, Dennis Etienne Roepsch | 2018-11-27 |
| 10131004 | Cutting insert having non-identical rectangular end surfaces with raised and lowered corner portions and cutting tool | William B. Johnson, Dennis Etienne Roepsch | 2018-11-20 |
| 9867604 | Surgical access device comprising internal retractor | Charles C. Hart, Gary M. Johnson, Edward D. Pingleton, Kenni Pravongviengkham, Ghassan Sakakine +3 more | 2018-01-16 |