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

Roland Grant Heap

Shefford, GB: #2 of 3 inventorsTop 70%
Overall (2003): #130,728 of 273,478Top 50%
1 Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6584759 Engine 2003-07-01