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James Sproule

📍 Grand Rapids, MI: #536 of 1,824 inventorsTop 30%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,629,146 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6089660 Reclining sofa — 2000-07-18
5480213 Reclining sofa — 1996-01-02
5064244 Reclining sofa — 1991-11-12