GS

Gerd Spiekers

📍 Wermelskirchen, DE: #104 of 183 inventorsTop 60%
Overall (All Time): #3,969,420 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4647111 Sleeve insert mounting for mining pick Walter Bronder 1987-03-03