KR

K. Dale Ritchey

DL Dravo Lime: 1 patents #3 of 9Top 35%
📍 Beckley, WV: #1 of 3 inventorsTop 35%
🗺 West Virginia: #47 of 183 inventorsTop 30%
Overall (1997): #185,539 of 185,788Top 100%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5628811 Method of ameliorating acid soil to enhance plant growth John W. College, Joel H. Beeghly, Virupax C. Baligar, Ralph B. Clark 1997-05-13