DW

David Winter Walker

PA Pharmacia Biotech Aktiebolag: 3 patents #1 of 18Top 6%
📍 Linton, ND: #1 of 3 inventorsTop 35%
🗺 North Dakota: #1 of 100 inventorsTop 1%
Overall (1997): #17,085 of 185,788Top 10%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5616299 Dispenser for dried biological reagent spheres Brent A. Burdick, James F. Jolly, Daniel D. Zender 1997-04-01
5609270 Dried biological reagent pill dispenser with vibrating mechanism 1997-03-11
5603899 Multiple column chromatography assembly Phillip P. Franciskovich, Cynthia A. Mielke, David R. Boyer 1997-02-18