DH

David L. Hageman

Pfizer: 4 patents #1,262 of 5,153Top 25%
Overall (All Time): #1,281,630 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5859011 Dihydropyridine derivatives as bradykinin antagonist Fumitaka Ito, Hiroshi Kondo, John A. Lowe, III, Susumu Nakanishi, Fredric J. Vinick 1999-01-12
4474698 Process for preparing esters of penicillanic acid sulfone Thomas C. Crawford 1984-10-02
4375434 Process for 6'-amino-penicillanoyloxymethyl penicillanate 1,1-dioxide 1983-03-01
4361513 Esters of penicillanic acid sulfone Thomas C. Crawford 1982-11-30