RK

Roger E. Koch

MA Masonite: 3 patents #86 of 210Top 45%
📍 McLeansboro, IL: #158 of 612 inventorsTop 30%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,583,079 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7413692 Fibrous composite articles and method of making the same Bei-Hong Liang, John Peter Walsh, Bob Allen, Hanmin Dong, Wen-Ning (Sally) Chan 2008-08-19
6841231 Fibrous composite article and method of making the same Bei-Hong Liang, John Peter Walsh, Bob Allen, Hanmin Dong, Wen-Ning (Sally) Chan 2005-01-11
5573598 Method of cleaning pressing and/or curing apparatus 1996-11-12