GK

Gregory A. Koehnle

3M: 4 patents #3,441 of 11,543Top 30%
📍 Windom, MN: #813 of 2,819 inventorsTop 30%
🗺 Minnesota: #15,886 of 52,454 inventorsTop 35%
Overall (All Time): #1,249,331 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7618306 Conformable abrasive articles and methods of making and using the same Peter A. Felipe, Sr., James Schutz, Michael J. Annen, Albert I. Everaerts 2009-11-17
7410413 Structured abrasive article and method of making and using the same Edward J. Woo, Craig F. Lamphere 2008-08-12
6773474 Coated abrasive article Edward J. Woo 2004-08-10
5142415 Back-lit display 1992-08-25