IR

Ivan Richards

PC Pharmacia & Upjohn Company: 2 patents #209 of 713Top 30%
Pfizer: 1 patents #3,022 of 5,153Top 60%
📍 Kalamazoo, MI: #471 of 1,283 inventorsTop 40%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,583,881 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7439397 Phenol derivative Sue Cammarata, Craig D. Wegner, Michael Hawley, Mark P. Warchol, Mark Kontny +6 more 2008-10-21
6951950 Quaternary ammonium compounds Timothy Heath, Martin D. Meglasson 2005-10-04
6890920 Quaternary ammonium compounds Sue Cammarata, Craig D. Wegner, Michael Hawley, Mark P. Warchol, Mark Kontny +6 more 2005-05-10