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Earl E. Spears

📍 Ann Arbor, MI: #139 of 461 inventorsTop 35%
🗺 Michigan: #1,659 of 6,198 inventorsTop 30%
Overall (2002): #265,063 of 266,432Top 100%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6341655 Emergency shutdown system Carl C. Busian 2002-01-29