WJ

William B. Johnson

DS Dentsply Sirona: 2 patents #8 of 71Top 15%
IT Ingersoll Cutting Tool: 2 patents #1 of 3Top 35%
📍 Tulsa, OK: #3 of 178 inventorsTop 2%
🗺 Oklahoma: #33 of 936 inventorsTop 4%
Overall (2018): #33,427 of 503,207Top 7%
4
Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10136962 Multi-planar pre-curved rotary endodontic file 2018-11-27
10137510 Rotary cutting tool having axially supported lead cutting insert and a continuous cutting edge Eric Nguyen, Dennis Etienne Roepsch 2018-11-27
10131004 Cutting insert having non-identical rectangular end surfaces with raised and lowered corner portions and cutting tool Eric Nguyen, Dennis Etienne Roepsch 2018-11-20
9878366 Fatigue-resistant Nitinol instrument 2018-01-30