DM

Douglas J. MacNaughton

Overall (All Time): #2,164,385 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6988624 Vibrating screen with a loading pan — 2006-01-24
5899340 Vibrating screen with arched frame and ballast — 1999-05-04