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

James F. Kerr — 1 Patent in 2016

MCMaterial Control: 1 patents #1 of 1Top 100%
Croswell, MI: #1 of 2 inventorsTop 50%
Michigan: #3,056 of 8,960 inventorsTop 35%
Overall (2016): #367,097 of 481,213Top 80%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9435156 Dual track ladder with brake mechanism that is automatically applied to the upper tracks to hold the ladder in place during use 2016-09-06