RF

Ralph C. Francis

EI Ei-Land: 1 patents #3 of 6Top 50%
📍 Oakland, CA: #2,828 of 4,380 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,541,558 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6374551 Moveable structural reinforcement system Kenneth T. Boilen, Arthur B. Richardson, John Hulls, Jean-Jacques Landry 2002-04-23