DD

David S. DeWinter

UN Uniontools: 1 patents #28 of 32Top 90%
Overall (All Time): #1,230,769 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8100447 Shovel with multiple blade faces 2012-01-24
D517876 Bow rake Brian J. Conaway, Terry M. Birchler 2006-03-28
6959454 Structure with extendable leaves 2005-11-01
6722115 Rake with extendable material-moving implement 2004-04-20