KH

Keith C. Hong

CE Certainteed: 1 patents #5 of 37Top 15%
CC Certainteed Ceilings: 1 patents #2 of 14Top 15%
Overall (2025): #110,055 of 469,880Top 25%
2
Patents 2025

Issued Patents 2025

Patent #TitleCo-InventorsDate
12359425 Acoustic ceiling panel, method of manufacture and acoustic ceiling system Yanjia Zuo, Chris Lee Heikkinen, John T. Madajewski, Phillip Evans, Chris W. Niemi +4 more 2025-07-15
12234648 Roofing product including bio-based asphalt mixture and methods of making the roofing product and the roofing-grade asphalt mixture Gregory F. Jacobs, Rajesh Ranjan 2025-02-25