MD

Michael S. Dappen

EP Elan Pharmaceuticals: 11 patents #22 of 269Top 9%
GS G.D. Searle: 7 patents #163 of 659Top 25%
AN Athena Neurosciences: 6 patents #26 of 81Top 35%
AP Amerimas Home Products: 4 patents #174 of 715Top 25%
Pfizer: 2 patents #2,078 of 5,153Top 45%
C& C.D. Searle &: 1 patents #3 of 16Top 20%
📍 Chesterfield, MO: #127 of 6,461 inventorsTop 2%
🗺 Missouri: #472 of 23,789 inventorsTop 2%
Overall (All Time): #136,719 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
5225417 Opioid agonist compounds Barnett S. Pitzele, Michael Francis Rafferty 1993-07-06
5223507 Method of using opioid compounds as delta opioid selective agonist analgesics Barnett S. Pitzele, Michael Francis Rafferty 1993-06-29
5137910 Compositions containing indole-2-carboxylate compounds for treatment of CNS disorders Nancy M. Gray, Brian K. Cheng, William F. Hood, Alex Cordi 1992-08-11