Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Richard Simerson — 1 Patent

General Motors: 1 patents #9,361 of 18,328Top 55%
Saginaw, MI: #359 of 671 inventorsTop 55%
Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,522,709 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6619373 Lost foam casting apparatus for reducing porosity and inclusions in metal castings Gordon Alwin Tooley, Mark Eugene Hoover, June-Sang Siak 2003-09-16