DW

David C. Winter

JD John Deere: 2 patents #5 of 169Top 3%
📍 Layton, UT: #1 of 7 inventorsTop 15%
🗺 Utah: #33 of 504 inventorsTop 7%
Overall (1989): #29,210 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4821806 Implement having parallel cylinder depth control and series cylinder lift — 1989-04-18
4817730 Hydraulic weight transfer system for an implement with a lift assist wheel — 1989-04-04