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Harry Joseph Knopke

📍 Grand Rapids, MI: #83 of 245 inventorsTop 35%
🗺 Michigan: #3,671 of 10,373 inventorsTop 40%
Overall (2020): #456,299 of 565,922Top 85%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10829400 Manifold 3-stage water filtration system with heavy metals removal Robert R. McDonald, Jon H. Bechtel 2020-11-10