HK

Heinz Klein

3M: 1 patents #7,233 of 11,543Top 65%
BH Bayer Healthcare: 1 patents #4,623 of 8,007Top 60%
Overall (All Time): #2,158,715 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7234460 Metering valve for a metered dose inhaler providing consistent delivery David J. Greenleaf, Peter D. Hodson, Graham R. Purkins, Gary Mahon 2007-06-26
4919680 High-extraction chrome tanning process Bernhard Wehling, Bernd Makowka, Gertrud A. Klein, Helga Rosentreter 1990-04-24