JP

Johann Piontek

BH Bayer Healthcare: 2 patents #3,312 of 8,007Top 45%
Overall (All Time): #2,294,098 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5308558 Process for foaming thermoplastic polycarbonates Edwin Woldenberg, Klaus Kircher, Klaus Horn, Burkhard Kohler, Wolfgang Ebert 1994-05-03
5158985 Polycarbonate foam articles Burkhard Kohler, Klaus Horn, Wolfgang Ebert, Klaus Kircher 1992-10-27