Bernardus Ludgerus Lubertus Hijlkema

📍 Leeuwarden, NL: #16 of 75 inventorsTop 25%

Overall (All Time): #1,178,557 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
10293803	Levitation system for a train	—	2019-05-21
8166589	Mattress	—	2012-05-01
8097196	Method and device for manufacturing a mould, and method and device for manufacturing a product using the mould	—	2012-01-17
6431077	Train	—	2002-08-13