KD

Kwamena Gyakye deGraft-Johnson

SS S. C. Johnson & Son: 2 patents #51 of 224Top 25%
📍 Racine, WI: #21 of 111 inventorsTop 20%
🗺 Wisconsin: #450 of 3,572 inventorsTop 15%
Overall (2011): #84,691 of 364,097Top 25%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7917018 Wearable chemical dispenser Donald J. Schumacher, Raymund J. Alfaro, Dirk K. Nickel, Tyler D. Duston, Michael T. Hudak +2 more 2011-03-29
7892487 Useful life indicators Joel E. Adair, Anne T. Maghasi, Brian T. Davis, Donald J. Schumacher, Padma Prabodh Varanasi 2011-02-22