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John L. Sigmund

CE Certainteed: 1 patents #11 of 51Top 25%
📍 Maumee, OH: #7 of 34 inventorsTop 25%
🗺 Ohio: #1,853 of 6,034 inventorsTop 35%
Overall (2011): #257,186 of 364,097Top 75%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8028475 Highly ventilated soffit with obscured ventilation openings Thomas Gilbert 2011-10-04