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

Dickey Lee

Overall (All Time): #2,319,544 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5058239 Fixing knuckles in foldable aluminum ladder 1991-10-22
4648481 Multipurpose aluminum folding ladder equipped with a detachable stand-on board and supporting handrails 1987-03-10