WD

William M. Dugan

DF Delaware Capital Formation: 1 patents #262 of 626Top 45%
📍 Memphis, TN: #1,050 of 1,908 inventorsTop 60%
🗺 Tennessee: #10,964 of 20,272 inventorsTop 55%
Overall (All Time): #3,963,676 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4787481 Hydraulic elevator having microprocessor-based, distributed control system Dennis Farrar 1988-11-29