DL

Douglas Langton

EM Emf: 1 patents #1 of 5Top 20%
📍 Seattle, WA: #62 of 333 inventorsTop 20%
🗺 Washington: #241 of 1,406 inventorsTop 20%
Overall (1989): #119,407 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4817934 Dual tote sorter and stacker Walter A. McCormick, James Kellum, Steve McKelvy, Greg Phillips 1989-04-04