SK

Stephen A. Koch

CE Certainteed: 1 patents #21 of 66Top 35%
Overall (2017): #234,456 of 506,227Top 50%
1
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9657479 Shingle with reinforcement layer Husnu M. Kalkanoglu 2017-05-23