RH

Rowland Hill

NS National Mine Service: 1 patents #7 of 16Top 45%
📍 Louisville, KY: #1,258 of 3,201 inventorsTop 40%
🗺 Kentucky: #4,404 of 11,577 inventorsTop 40%
Overall (All Time): #2,255,800 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6002128 Sample analyzer Paul Miles 1999-12-14
4633147 Electric powered vehicle and method of propelling the same Bonne W. Posma 1986-12-30