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John O. Nunn, Sr.

📍 Bergmolen, TX: #30 of 96 inventorsTop 35%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,345,199 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4702086 Refrigeration system with hot gas pre-cooler John O. Nunn, Jr. 1987-10-27
4577468 Refrigeration system with refrigerant pre-cooler John O. Nunn, Jr. 1986-03-25