MD

Mark Duckworth

DF Delaware Capital Formation: 1 patents #3 of 19Top 20%
📍 Memphis, TN: #20 of 80 inventorsTop 25%
🗺 Tennessee: #148 of 740 inventorsTop 20%
Overall (1989): #81,840 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4832158 Elevator system having microprocessor-based door operator Dennis Farrar 1989-05-23