John Walker

PC Pharmacia & Upjohn Company: 1 patents #2 of 33Top 7%

📍 Holden, MO: #20 of 72 inventorsTop 30%

🗺 Missouri: #457 of 1,809 inventorsTop 30%

Overall (2011): #256,090 of 364,097Top 75%

Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7902195	Pyridine [3,4-b] pyrazinones	Robert Owen Hughes, Andrew Simon Bell, David Brown, Dafydd Rhys Owen, Michael John Palmer +12 more	2011-03-08