Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Ridley — 1 Patent

PSPar Systems: 1 patents #16 of 38Top 45%
Red Wing, MN: #58 of 107 inventorsTop 55%
Minnesota: #32,682 of 52,454 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Charles E. Ridley has been granted 1 US patent while listed as an inventor at Par Systems. All of these patents were granted in 2016. Charles E. Ridley ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Charles E. Ridley in Red Wing, MN, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9428336 Robotic storage and retrieval systems Daniel J. Hagen, Steven J. Austin, Thomas Jung, Chad Stiernagle 2016-08-30