Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Lothar Rossol — 1 Patent

General Motors: 1 patents #9,361 of 18,328Top 55%
Rochester, MI: #543 of 860 inventorsTop 65%
Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #4,056,276 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4399554 Method and apparatus for inspecting engine head valve retainer assemblies for missing keys Walton A. Perkins, III, Robert Dewar, James K. West 1983-08-16