Inventor
HOUGH PAUL A
US5 patents
Patents
5 patentsUS5971034AOct 26, 1999
Thermal duct lining insulation
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Integrated ceiling and light system
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Integrated ceiling and light system
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US12571511B2Mar 10, 2026
Integrated ceiling and light system
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US10683977B2Jun 16, 2020
Integrated ceiling and light system
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