DJ

David B. R. Johnston

Merck: 3 patents #26 of 174Top 15%
📍 Whitemarsh, PA: #2 of 11 inventorsTop 20%
🗺 Pennsylvania: #88 of 2,652 inventorsTop 4%
Overall (1982): #5,392 of 81,411Top 7%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4348320 Substituted azetidiones F. Aileen Bouffard, Burton G. Christensen 1982-09-07
4347367 3-Substituted-6-(1'-hydroxyethyl)-7-oxo-1-azabicyc lo[3.2.0]-hept-2-ene-2-carboxylic acid Burton G. Christensen, Susan M. Schmitt 1982-08-31
4347368 3 -Substituted-6-substituted-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxyl ic acid Burton G. Christensen, Susan M. Schmitt 1982-08-31