WM

William J. McArthur

DU Duracell: 4 patents #35 of 239Top 15%
Overall (All Time): #1,298,586 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5143804 Battery assembly Donald Thompson 1992-09-01
4620111 Auxiliary portable power supply Glenn W. Merry 1986-10-28
4547438 Battery assembly Roger W. Kelm 1985-10-15
4535036 Multi-cell power supply Roger W. Kelm, Glenn W. Merry 1985-08-13