Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Tung-Hai Lan — 1 Patent

Overall (All Time): #3,761,063 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5377778 Emergency fire escape for multi-storied building 1995-01-03