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

Darren Cardiff

Overall (All Time): #3,523,968 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6625908 Apparatus for digging a trench Steven Nuttall 2003-09-30