JG

Josef Grassmann

📍 Hennef (Sieg), DE: #72 of 147 inventorsTop 50%
Overall (All Time): #4,097,825 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4292641 Electrically heated recording indicator for recording instruments and the like 1981-09-29