WR

William R. Rank

RT Research Corporation Technologies: 3 patents #60 of 410Top 15%
📍 Gretna, LA: #20 of 121 inventorsTop 20%
🗺 Louisiana: #2,223 of 10,876 inventorsTop 25%
Overall (All Time): #1,657,248 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5234426 Helical-tipped lesion localization needle device and method of using the same Ronald L. Nichols, Stephanie G. Schoenberger 1993-08-10
5197482 Helical-tipped lesion localization needle device and method of using the same Ronald L. Nichols, Stephanie G. Schoenberger 1993-03-30
5018530 Helical-tipped lesion localization needle device and method of using the same Ronald L. Nichols, Stephanie G. Schoenberger 1991-05-28