JM

John T. Madajewski

CC Certainteed Ceilings: 2 patents #16 of 49Top 35%
Overall (All Time): #1,725,252 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12359425 Acoustic ceiling panel, method of manufacture and acoustic ceiling system Yanjia Zuo, Chris Lee Heikkinen, Phillip Evans, Chris W. Niemi, Jeremiah L. Shaffer +4 more 2025-07-15
11898345 Acoustic ceiling panel, method of manufacture and acoustic ceiling system Yanjia Zuo, Chris Lee Heikkinen, Phillip Evans, Chris W. Niemi, Jeremiah L. Shaffer +4 more 2024-02-13