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John T. Madajewski — 2 Patents

CCCertainteed Ceilings: 2 patents #16 of 49Top 35%
Malvern, PA: #248 of 529 inventorsTop 50%
Pennsylvania: #30,766 of 74,527 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John T. Madajewski has been granted 2 US patents while listed as an inventor at Certainteed Ceilings. The first was granted in 2024 and the most recent in July 2025. John T. Madajewski ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John T. Madajewski in Malvern, PA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

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

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