JW

Jack O. Winsor

DI Dresser Industries: 3 patents #98 of 787Top 15%
📍 Seattle, WA: #8,251 of 21,776 inventorsTop 40%
🗺 Washington: #27,877 of 76,902 inventorsTop 40%
Overall (All Time): #1,684,166 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4315552 Raise drill apparatus 1982-02-16
4298076 Chuck and wrench assembly for raise drill apparatus Dennis J. Patrick 1981-11-03
4214445 Hydraulic circuitry for raise drill apparatus Neville Thompson 1980-07-29