JH

John Horton

KC Koppers Performance Chemicals: 1 patents #3 of 5Top 60%
Overall (2021): #397,703 of 548,734Top 75%
1
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11140901 Wood preservative and method for producing same Jun Zhang, Peter Tham 2021-10-12