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Theodore W. Valentine

DU Duracell: 1 patents #120 of 239Top 55%
GB Gnb Industrial Battery: 1 patents #3 of 9Top 35%
📍 Algonquin, IL: #160 of 350 inventorsTop 50%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,310,734 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5132176 Battery state of charge indicator Allen F. Fiedler, Joseph Szymborski, Mark L. Eggers 1992-07-21
4552821 Sealed nickel-zinc battery Henry F. Gibbard, Richard C. Murray, Jr., Ronald A. Putt, Claude J. Menard 1985-11-12