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USPTO Patent Rankings Data through Dec 31, 2025
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David Friedson — 4 Patents

WIWindmere: 3 patents #5 of 22Top 25%
Miami, FL: #778 of 4,605 inventorsTop 20%
Florida: #13,316 of 67,251 inventorsTop 20%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Friedson has been granted 4 US patents while listed as an inventor at Windmere. The first was granted in 1984 and the most recent in April 1986. David Friedson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Friedson in Miami, FL, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4581519 Flocked curling iron Arnold Thaler, Lai Kin 1986-04-08 $602,000
4492241 Retractable curling brush Arnold Thaler, Lai Kin 1985-01-08 $620,000
4477716 Flocked curling iron Arnold Thaler, Lai Kin 1984-10-16 $798,000
4473086 Hair curling device having retractable teeth and locking means therefor Arnold Thaler, Lai Kin 1984-09-25 $824,000