RJ

Richard E. Hartsfield, Jr.

EE Emerson Electric: 2 patents #9 of 136Top 7%
📍 De Queen, AR: #1 of 4 inventorsTop 25%
🗺 Arkansas: #11 of 272 inventorsTop 5%
Overall (2004): #44,796 of 270,089Top 20%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6753632 Controlling electric motor cogging 2004-06-22
6707209 Reduced cogging torque permanent magnet electric machine with rotor having offset sections Alan D. Crapo, Todd A. Walls, Charles P. Ketterer, Ken De Luca 2004-03-16