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

Clifford Denchfield

Huntingdon, GB: #2 of 3 inventorsTop 70%
Overall (1997): #166,091 of 185,788Top 90%
1 Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5646363 Free piston machine 1997-07-08