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USPTO Patent Rankings Data through Dec 31, 2025
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Matt Chiarello — 2 Patents

RORoadmaster: 2 patents #13 of 35Top 40%
Browns, IL: #2 of 3 inventorsTop 70%
Illinois: #34,875 of 84,256 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Matt Chiarello has been granted 2 US patents while listed as an inventor at Roadmaster. The first was granted in 1992 and the most recent in May 1994. Matt Chiarello ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Matt Chiarello in Browns, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5308301 Folding stepper 1994-05-03
5145476 Folding stepper 1992-09-08