Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CP

Clarence E. Powell

St. Louis, MI: #11 of 24 inventorsTop 50%
Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,272,582 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D382614 Golf putter head Richard M. Acton 1997-08-19
5393314 Horizontal pass, multiple packed-bed gas scrubber Duane Powell, Ralph F. Strigle, Jr. 1995-02-28