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John L. Strelow

📍 Broken Arrow, OK: #5 of 28 inventorsTop 20%
🗺 Oklahoma: #151 of 749 inventorsTop 25%
Overall (1989): #92,651 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4842014 Check valve hanger mechanism Robert I. Clarkson 1989-06-27