PB

Peter Burggraf

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,940,322 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4875406 Device for detecting different pollutants in gas streams Heinz Holter, Heinrich Igelbuscher, Heinrich Gresch, Heribert Dewert 1989-10-24