WD

Witold Drzewinski

📍 Brzozów, PL: #1 of 2 inventorsTop 50%
Overall (All Time): #2,182,027 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6919950 Liquid crystal device and a liquid crystal material Roman Dabrowski, Herman Pauwels, Anders Dahlgren, Sven T. Lagerwall, Per Rudquist +3 more 2005-07-19
4849130 Liquid crystalline ethane derivatives, their preparation and the liquid crystal compositions containing same Roman Dabrowski, Jerzy Dziaduszek, Tomasz Szczucinnski, Zofia Stolarz, Jozef Zmija +2 more 1989-07-18