HG

Helmut Grell

SY Sybron: 1 patents #48 of 98Top 50%
Overall (All Time): #4,105,888 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4187559 Body joint endoprosthesis Achim Engelhardt 1980-02-12