DM

Douglas E. Manning

📍 Knoxville, TN: #9 of 104 inventorsTop 9%
🗺 Tennessee: #52 of 740 inventorsTop 8%
Overall (1989): #28,830 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4873923 Hydraulic press platon support 1989-10-17
4807748 Attachable container riser 1989-02-28