WG

William D. Gramling

📍 Bethesda, MD: #463 of 2,269 inventorsTop 25%
🗺 Maryland: #6,535 of 35,612 inventorsTop 20%
Overall (All Time): #1,003,992 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9045227 Dual fan aerodynamic lift device 2015-06-02
4751870 Seals for gas and oil well swabs 1988-06-21
4700775 Dual-action retrieving tool for oil well swabs 1987-10-20
4389680 Special effects editing method and apparatus using retrieved video 1983-06-21
4197559 Color television display system 1980-04-08