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USPTO Patent Rankings Data through Dec 31, 2025
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Jill Tolfree — 1 Patent

POPolychrome: 1 patents #17 of 34Top 50%
Yonkers, NY: #317 of 588 inventorsTop 55%
New York: #67,828 of 115,490 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Jill Tolfree has been granted 1 US patent while listed as an inventor at Polychrome. All of these patents were granted in 1990. Jill Tolfree ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Jill Tolfree in Yonkers, NY, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4960663 Persistent photoconductive coating composition Ken-ichi Shimazu, Jayanti Patel 1990-10-02