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

Michael Callahan

CACabela'S: 1 patents #23 of 57Top 45%
Sidney, NE: #28 of 64 inventorsTop 45%
Nebraska: #1,893 of 5,697 inventorsTop 35%
Overall (All Time): #2,107,100 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D637796 Hat, scarf and mittens ensemble Maria Callahan 2011-05-17
6173463 Cot accessory Roger C. Verhulst, Jeffrey Phelps, Ronald D. Nelson 2001-01-16