FB

Franz-Josef Biermanns

DG Dynamit Nobel Gmbh: 2 patents #135 of 414Top 35%
📍 Troisdorf, DE: #131 of 353 inventorsTop 40%
Overall (All Time): #2,298,799 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5225621 Process for producing a jacketed fuse and fuse product Werner Kannengiesser, Karl-Heinz Lulsdorf, Hans Heidbüchel 1993-07-06
5176895 Process for the continuous production of sodium azide Hans-Heinz Heidbuechel, Heinz-Gerd Emans, Ralf Weber 1993-01-05