YH

Y K. Ho

CR Crayola: 2 patents #31 of 117Top 30%
Overall (All Time): #1,918,661 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10780509 Crayon carving device Joseph Thomas Moll, Robert J. Henry, Gregory Nungester 2020-09-22
9827618 Crayon carving device Joseph Thomas Moll, Robert J. Henry, Gregory Nungester 2017-11-28