CD

Chris Ryan Demarest

OI Oldcastle Infrastructure: 1 patents #6 of 16Top 40%
OP Oldcastle Precast: 1 patents #30 of 53Top 60%
Overall (All Time): #1,911,630 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10696573 Tree box filter with hydromodification panels James Ferguson Holtz 2020-06-30
10118846 Tree box filter with hydromodification panels James Ferguson Holtz 2018-11-06