DB

Douglas E. Bowen

Overall (All Time): #2,161,894 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7281356 Modular bracket with selectable radius for supporting passage cores for concrete structures Jeff Sanftleben 2007-10-16
6715247 Modular bracket for supporting passage cores for concrete structures Jeff Sanftleben 2004-04-06