RC

Ralph B. Clark

DL Dravo Lime: 1 patents #11 of 32Top 35%
Overall (All Time): #2,200,416 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D472293 Fish lure having a weighted ornamented head and multifilamentous trailing skirt 2003-03-25
5628811 Method of ameliorating acid soil to enhance plant growth John W. College, Joel H. Beeghly, K. Dale Ritchey, Virupax C. Baligar 1997-05-13