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Ronald M. Fedrick

NONova: 1 patents #39 of 75Top 55%

Petaluma, CA: #166 of 492 inventorsTop 35%

California: #149,087 of 386,348 inventorsTop 40%

Overall (All Time): #1,582,320 of 4,157,543Top 40%

3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
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