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USPTO Patent Rankings Data through Dec 31, 2025
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Spiro John Chellos — 2 Patents

Canteen Creek, AU: #20 of 46 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Spiro John Chellos has been granted 2 US patents. The first was granted in 2019 and the most recent in March 2021. Spiro John Chellos ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Spiro John Chellos in Canteen Creek, AU.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10937072 Taximeter, system and method for a taxi Peter Francis Kelly, John Philip D'Arcy, John W. Young 2021-03-02
10354299 Taximeter, system and method for a taxi Peter Francis Kelly, John Philip D'Arcy, John W. Young 2019-07-16