DR

Douglas E. Roberts

CI Cobra Golf Incorporated: 2 patents #4 of 11Top 40%
SI Sumitomo Rubber Industries: 1 patents #128 of 295Top 45%
📍 Carlsbad, CA: #85 of 563 inventorsTop 20%
🗺 California: #9,366 of 68,989 inventorsTop 15%
Overall (2020): #92,371 of 565,922Top 20%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10835787 Golf club with perimeter face machining D. Clayton Evans, Cameron J. Day, Michael T. McDonnell, Ryan L. Roach, Bryce W. Hobbs +1 more 2020-11-17
10721339 Golf club head John J. Rae, Nathaniel J. Radcliffe, Daniel J. Stone, Trent E. Garner, Brad S. Hooley +9 more 2020-07-21
D884101 Golf club head D. Clayton Evans, Ryan L. Roach, Yi-Ching Liao 2020-05-12