DW

David E. Wieand

CR Crayola: 2 patents #31 of 117Top 30%
Overall (All Time): #1,956,555 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9993951 Melting and molding device James W. McCauley, Eric Adams, Eric Silvanage, Christopher C. Giering, Matthew T. Carden +1 more 2018-06-12
9827591 Melting and spinning device Matthew T. Carden, Eric A. King, Christopher C. Giering 2017-11-28