DD

David L. Drummond

RS R. R. Donnelley & Sons: 2 patents #60 of 291Top 25%
DS Drummond Scientific: 1 patents #3 of 8Top 40%
📍 Minooka, IL: #15 of 52 inventorsTop 30%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,512,259 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9481016 Methods and apparatus to combine mail streams in a binding line Chris Brown 2016-11-01
8880214 Methods and apparatus to combine mail streams in a binding line Chris Brown 2014-11-04
5043106 Method of casting optical mirrors 1991-08-27