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Roger C. Wojtak

SD Square D: 1 patents #408 of 756Top 55%
Overall (All Time): #3,920,089 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4802053 Control circuitry including phase failure relay John S. Hoelzer, James T. Libert 1989-01-31