Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AK

Alex Kazmierczak

Seattle, WA: #8,251 of 21,776 inventorsTop 40%
Washington: #27,877 of 76,902 inventorsTop 40%
Overall (All Time): #1,481,880 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10051906 Headwear with water/perspiration handling features 2018-08-21
9480292 Headwear with enhanced ventilation and/or water/perspiration handling features 2016-11-01
8516617 Hat with enhanced ventilation 2013-08-27