JT

John Erwin Treft

TI Tkf Incorporated: 3 patents #2 of 5Top 40%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,558,507 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7963388 Spline roller for a belt-driven roller conveyor, and method for making Ronald L. Eubanks 2011-06-21
7882944 Drive belt guard for a roller conveyor Ronald L. Eubanks 2011-02-08
7306091 Tapered spline roller for curved roller conveyor Ronald L. Eubanks 2007-12-11