HB

Heinrich Berthold

HA Hoechst Ceramtec Ag: 1 patents #31 of 78Top 40%
Overall (All Time): #3,820,069 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5196754 Piezoelectric tone generator and a process for producing it Thomas Uhl, Kurt Handschuh, Georg Wiesend 1993-03-23