CH

Carel Cristiaan van Helsdingen

📍 Naarden, NL: #16 of 54 inventorsTop 30%
Overall (All Time): #3,932,589 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4847773 System for navigating a free ranging vehicle Jan O. Ten Cate, Paul Henri Frans Peteri, Frank van der Heyden 1989-07-11