DW

David K. Walker

📍 Waynesburg, PA: #1 of 2 inventorsTop 50%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #69,842 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4340977 Catenary mitral valve replacement Richard T. Brownlee, Lawrence N. Scotten 1982-07-27