HL

Hugo A. J. Landheer

HN Hunter Douglas International N.V.: 4 patents #9 of 70Top 15%
Overall (All Time): #1,299,591 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5001883 Sandwich panel for ceiling application — 1991-03-26
4918895 Sandwich wall system panel — 1990-04-24
4360553 Sandwich panel — 1982-11-23
4292779 Supporting system for panel assembly — 1981-10-06