RF

Ronald M. Fedrick

NO Nova: 1 patents #39 of 75Top 55%
Overall (All Time): #1,582,320 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7390144 Pre-cast/pre-stressed concrete and steel pile and method for installation 2008-06-24
4700751 Insulated pipe apparatus 1987-10-20
4522532 Bottom-seated portable cofferdam and method of use 1985-06-11