GS

Georg Sperber

📍 Bad Lippspringe, DE: #21 of 35 inventorsTop 60%
Overall (All Time): #3,731,779 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5697595 Flip chart — 1997-12-16