DG

Darryl W. Geyen

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Plano, TX: #3,100 of 4,842 inventorsTop 65%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,537,444 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6354465 Protable device for accurately metering and delivering cohesive bulk solid powders Timothy Allan Bell, James Todd Delfunt, Michael Thomas Hyzny, Barton Firman, Thomas Leroy Krieger 2002-03-12