JD

John R. Duchek

MC Mallinckrodt Specialty Chemicals: 1 patents #1 of 4Top 25%
📍 Chesterfield, MO: #56 of 279 inventorsTop 25%
🗺 Missouri: #190 of 1,010 inventorsTop 20%
Overall (1994): #114,799 of 165,921Top 70%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5312970 Method of preparing D-propoxyphene — 1994-05-17