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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
LK

Lai Kin — 9 Patents

WIWindmere: 8 patents #2 of 22Top 10%
Kowloon, CN: #112 of 2,133 inventorsTop 6%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Lai Kin has been granted 9 US patents while listed as an inventor at Windmere. The first was granted in 1984 and the most recent in November 1989. Lai Kin ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Lai Kin in Kowloon, CN.

Patents per Year

Patents granted per year, 1984 to 1989Bar chart with a peak of 4 patents in 1986.peak 41984: 2 patents19841985: 2 patents19851986: 4 patents19861989: 1 patents1989

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4881559 Hair curling system 1989-11-21 $2,387,000
4624271 Hair curling system 1986-11-25 $573,000
4604514 Electric curling iron with selectively lockable rotatable handles Arnold Thaler 1986-08-05 $580,000
4581519 Flocked curling iron Arnold Thaler, David Friedson 1986-04-08 $602,000
4564033 Hair curling system 1986-01-14 $574,000
4542284 Electrical appliance with delayed warning alarm Arnold Thaler 1985-09-17 $426,000
4492241 Retractable curling brush Arnold Thaler, David Friedson 1985-01-08 $620,000
4477716 Flocked curling iron Arnold Thaler, David Friedson 1984-10-16 $798,000
4473086 Hair curling device having retractable teeth and locking means therefor Arnold Thaler, David Friedson 1984-09-25 $824,000