HJ

Henricus T. J. Janssen

📍 Oldenzaal, NL: #16 of 68 inventorsTop 25%
Overall (All Time): #1,666,041 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5064211 Wheelchair with tilt compensating side frames Aloysius Gerhardus Huttenhuis 1991-11-12
4913257 Electrically driven wheelchair with worktop and control unit 1990-04-03
4759561 Wheelchair with tilting seat part 1988-07-26