DV

David Volzer

CR Crayola: 2 patents #31 of 117Top 30%
Overall (All Time): #2,375,274 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10471617 Pixel art crayon and marker photo array assembly and kit Douglas Brand, Craig Skinner 2019-11-12
10471622 Crayon manipulation devices Anthony P. Monzo 2019-11-12