Hendrik v Engelenburg

SD Skf Industrial Trading & Development: 1 patents #2 of 12Top 20%

SB Skf Industrial Trading & Development Company, B.V.: 1 patents #29 of 97Top 30%

📍 Driebergen-Rijsenburg, NL: #25 of 63 inventorsTop 40%

Overall (All Time): #2,346,333 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4566744	Current collector for rotating shaft	Rugerus S. Heemskerk	1986-01-28
4386811	Ball bearing	Rutgerus S. Heemskerk	1983-06-07