ET

Edwin Ray Twitchell

Harris: 1 patents #23 of 118Top 20%
TR Tropian: 1 patents #4 of 8Top 50%
📍 Quincy, IL: #4 of 15 inventorsTop 30%
🗺 Illinois: #658 of 5,780 inventorsTop 15%
Overall (2003): #69,016 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6587018 Notch filter and method Ronald A. Meck, Earl W. McCune, Jr. 2003-07-01
6519010 Broadcast transmission system with sampling and correction arrangement for correcting distortion caused by amplifying and signal conditioning components Wayne Douglas Duello, Robert J. Plonka 2003-02-11