DE

Douglas E. Earl

3M: 3 patents #4,214 of 11,543Top 40%
Overall (All Time): #1,522,885 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9133296 Polyurethane foam article Elizabeth A. Sargent, David R. Dow, Grady A. Dunham, Jeffrey P. Lenzendorf 2015-09-15
8784518 Method of making polyurethane foam Elizabeth Anna Benson-Sargent, David R. Dow, Grady A. Dunham, Jeffrey P. Lenzendorf 2014-07-22
5512009 Method and apparatus for attenuating optical chatter marks on a finished surface 1996-04-30