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Darl E. Billingsley

HO Holophane: 1 patents #19 of 38Top 50%
Overall (All Time): #3,866,415 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5174648 Lighting fixture support assembly Arthur V. Clary, Bonnie J. Brohard 1992-12-29