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James E. Sirhall

📍 Littleton, CO: #13 of 77 inventorsTop 20%
🗺 Colorado: #215 of 1,224 inventorsTop 20%
Overall (1989): #32,474 of 140,708Top 25%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D305154 Precast concrete wall Peter Muller, Charles L. Kellerman 1989-12-19