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USPTO Patent Rankings Data through Sept 30, 2025
Home › Certainteed › Stephen W. Steffes
Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
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Stephen W. Steffes — 1 Patent in 2025

CECertainteed: 1 patents #5 of 37Top 15%
McPherson, KS: #1 of 3 inventorsTop 35%
Kansas: #275 of 925 inventorsTop 30%
Overall (2025): #205,803 of 469,880Top 45%
1 Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12421732 Flat siding panel and panel siding system Brian W. Kirn 2025-09-23

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Steven L. Stefancic1
Stijn Wilem Herman Karel STEENBRINK1