KG

Karl Guyler

CR Crayola: 1 patents #62 of 117Top 55%
Overall (All Time): #3,323,148 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7521112 Coated art material system Jie Li, Cheryl Krieger, Arthur N. Urbanski, Craig Skinner, Stephen D. Glasscock 2009-04-21