DH

Donald C. Heinn

3M: 1 patents #7,233 of 11,543Top 65%
Overall (All Time): #3,757,516 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5575873 Endless coated abrasive article Jon R. Pieper, Eric G. Larson, Thomas E. Boettcher 1996-11-19