WH

William B. Hilfiker

HC Hilfiker Pipe Co.: 1 patents #1 of 2Top 50%
📍 Eureka, CA: #2 of 5 inventorsTop 40%
🗺 California: #7,981 of 26,868 inventorsTop 30%
Overall (2005): #76,759 of 245,428Top 35%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6874975 Soil-nail apparatus and method for constructing soil reinforced earthen retaining walls Enayat S. Aziz 2005-04-05