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John Stevens — 2 Patents

CSConversion Systems: 1 patents #2 of 10Top 20%
Doylestown, PA: #455 of 956 inventorsTop 50%
Pennsylvania: #30,766 of 74,527 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John Stevens has been granted 2 US patents while listed as an inventor at Conversion Systems. The first was granted in 2000 and the most recent in May 2012. John Stevens ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Stevens in Doylestown, PA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8166965 Fireplace insert Martin Miles, Garry R. Miles, Byron Book 2012-05-01
6053857 Immobilization of thallium during electric arc furnace dust treatment — 2000-04-25

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