DK

David Gerard Keller

WC W.R. Grace & Co.-Conn.: 2 patents #348 of 1,045Top 35%
📍 Baltimore, MD: #1,687 of 4,923 inventorsTop 35%
🗺 Maryland: #13,387 of 35,612 inventorsTop 40%
Overall (All Time): #2,258,212 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5749927 Continuous process to produce lithium-polymer batteries Terry S. Chern, Kenneth Orville MacFadden 1998-05-12
5725822 Extrusion of electrode material by liquid injection into extruder barrel Richard T. Giovannoni, Kenneth Orville MacFadden 1998-03-10