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Robert A. Welch

📍 Plymouth, MI: #8 of 44 inventorsTop 20%
🗺 Michigan: #973 of 4,313 inventorsTop 25%
Overall (1994): #72,648 of 165,921Top 45%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5312371 Method of making a needle sleeve assembly Mitchell P. Dombrowski 1994-05-17