JW

Jan van Walraven

JB J. Van Walraven Holding B.V.: 2 patents #4 of 7Top 60%
📍 Amersfoort, NL: #43 of 246 inventorsTop 20%
Overall (All Time): #1,531,716 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8746632 Riser clamp with vibration isolation Marek Juzak 2014-06-10
D494887 Channel fastener 2004-08-24
6362830 Method and apparatus for color display with color transformation to improve perception for people with impaired color sight 2002-03-26