NK

Neil D. Koelker

📍 Xenia, OH: #89 of 224 inventorsTop 40%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #1,988,148 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9732829 Variable ratio transmission with spherical teeth 2017-08-15
9376837 Multisided key and lock 2016-06-28