DB

Duane S. Birdsong

UN Unknown: 5 patents #3,065 of 83,584Top 4%
📍 Mena, AR: #2 of 27 inventorsTop 8%
🗺 Arkansas: #661 of 5,804 inventorsTop 15%
Overall (All Time): #860,636 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8479789 Self-pumping vent holes for cooling solid rubber tire and method of construction Giles Hill 2013-07-09
7726049 Squeegee blade Giles Hill 2010-06-01
7334617 Solid rubber tire with flexible hub and replaceable tire tread Giles Hill 2008-02-26
7198687 Squeegee blade Giles Hill 2007-04-03
7174934 Solid rubber tire including relatively hard rubber layer and relatively soft rubber layer Giles Hill 2007-02-13
5313994 Solid rubber wheel and tire assembly with angled cross bars Giles Hill, Giles A. Hill, Jr. 1994-05-24