Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Lis — 2 Patents

Bridgeview, IL: #30 of 78 inventorsTop 40%
Illinois: #34,875 of 84,256 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David Lis has been granted 2 US patents. The first was granted in 2000 and the most recent in July 2001. David Lis ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Lis in Bridgeview, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6264081 Safety utility belt Jeffrey J. Wojciak, Timothy Landingham 2001-07-24
6015073 Safety utility belt Jeffery J. Wojciak, Timothy Landingham 2000-01-18