WP

William H. Prather

EG Esco Group: 1 patents #72 of 186Top 40%
Overall (All Time): #4,065,803 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4317300 Earth working tooth with wear cap Robert K. Emrich, John M. Burkhart 1982-03-02