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JS

Joseph E. Springer

Superior Charter Township, MI: #1 of 2 inventorsTop 50%
Michigan: #973 of 4,313 inventorsTop 25%
Overall (1994): #111,411 of 165,921Top 70%
1 Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5275134 Two stroke internal combustion engine having an intake piston adjacent each power piston 1994-01-04