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

Jan F. Maakestad — 1 Patent

San Francisco, CA: #18,903 of 26,999 inventorsTop 75%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,443,858 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D502970 Exercise device for cradling the head for situps 2005-03-15