DM

Douglas E. Manning

📍 Knoxville, TN: #571 of 2,927 inventorsTop 20%
🗺 Tennessee: #3,725 of 20,272 inventorsTop 20%
Overall (All Time): #1,062,145 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4930331 Apparatus and method for fabricating elliptical tubing 1990-06-05
4873923 Hydraulic press platon support 1989-10-17
4807748 Attachable container riser 1989-02-28
4777874 Anti-springback device for a container 1988-10-18
4729302 Floating container clamp for a compaction press 1988-03-08