DG

David S. Grantham

📍 Pietermaritzburg, ZA: #10 of 27 inventorsTop 40%
Overall (All Time): #3,891,018 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5069660 Urethra prosthetic for relieving prostatic problems — 1991-12-03