DK

Douglas P. Kelley

Microsoft: 12 patents #3,498 of 40,388Top 9%
CR Cray: 11 patents #11 of 150Top 8%
EI Electric Power Research Institute: 4 patents #60 of 1,201Top 5%
FL Flowdril: 1 patents #3 of 9Top 35%
FL Flowmole: 1 patents #12 of 17Top 75%
📍 Sammamish, WA: #160 of 2,558 inventorsTop 7%
🗺 Washington: #2,686 of 76,902 inventorsTop 4%
Overall (All Time): #126,417 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
4593772 Rotary cutter for cable following apparatus 1986-06-10
4538522 Cable gripping apparatus having forward and rearward movement capabilities 1985-09-03
4519462 Cable following apparatus having cable cleaning capabilities and method 1985-05-28
4396073 Underground boring apparatus with controlled steering capabilities James M. Reichman 1983-08-02