JD

James W. Derrick

DM Derrick Manufacturing: 2 patents #1 of 4Top 25%
📍 East Aurora, NY: #4 of 23 inventorsTop 20%
🗺 New York: #487 of 5,342 inventorsTop 10%
Overall (1989): #24,965 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4857176 Reinforced molded polyurethane vibratory screen L. Charles Matsch 1989-08-15
4819809 Reinforced polyurethane vibratory screen — 1989-04-11