DR

Douglas E. Roberts

CI Cobra Golf Incorporated: 73 patents #2 of 93Top 3%
RC Roger Cleveland Golf Company: 33 patents #1 of 58Top 2%
AC Acushnet: 20 patents #99 of 496Top 20%
SL Sri Sports Limited: 14 patents #31 of 176Top 20%
DC Dunlop Sports Co.: 5 patents #59 of 168Top 40%
SI Sumitomo Rubber Industries: 2 patents #809 of 1,637Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
JE Jas D. Easton: 1 patents #27 of 42Top 65%
PS Puma Se: 1 patents #65 of 101Top 65%
📍 Carlsbad, CA: #15 of 2,500 inventorsTop 1%
🗺 California: #945 of 386,348 inventorsTop 1%
Overall (All Time): #5,842 of 4,157,543Top 1%
154
Patents All Time

Issued Patents All Time

Showing 151–154 of 154 patents

Patent #TitleCo-InventorsDate
D435073 Driving iron-type golf club head Daniel J. Stone, David Bennett, Stephen C. Chien, Andrew G. V. Oldknow 2000-12-12
D432609 Iron-type golf club head David Bennett, Kevin W. Harris, Lionel Poincenot, Daniel J. Stone 2000-10-24
6001035 High temperature heat tolerant hockey stick shaft 1999-12-14
D415641 Dispenser support 1999-10-26