HI

Hans Irrgeher

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,328,160 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4801016 Planar element storage and display apparatus — 1989-01-31
4451519 Drawing material backing for making technical and diagrammatic drawings — 1984-05-29