DS

David E. Schafer

KE Knowles Electronics: 15 patents #17 of 325Top 6%
MT Monsanto Technology: 11 patents #85 of 1,657Top 6%
📍 Creve Coeur, MO: #13 of 236 inventorsTop 6%
🗺 Missouri: #531 of 23,789 inventorsTop 3%
Overall (All Time): #153,154 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
4182622 3-Phenacylidene phthalide safening agents John A. Houbion 1980-01-08