WF

Wittko Francke

Basf Se: 2 patents #5,851 of 13,826Top 45%
TC Toyo Seikan Co.: 1 patents #498 of 888Top 60%
Overall (All Time): #1,665,775 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5053223 Process and agents for control of white coffee-leaf miners, especially Perileucoptera coffeella Wolfgang Krieg, Hansgeorg Ernst, Ernst Buschmann, Wolf Engels 1991-10-01
4929779 Method and compositions for controlling the pear leaf blister moth, Leucoptera scitella 1990-05-29
4853217 Methods and compositions for controlling the pear leaf blister moth, Leucoptera scitella 1989-08-01