DH

Douglas A. Hartzell

📍 Lincoln, NE: #505 of 1,303 inventorsTop 40%
🗺 Nebraska: #1,893 of 5,697 inventorsTop 35%
Overall (All Time): #2,196,445 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6822457 Method of precisely determining the location of a fault on an electrical transmission system Marshall B. Borchert 2004-11-23
5461318 Apparatus and method for improving a time domain reflectometer Marshall B. Borchert, Edward J. Thomassen, Lee M. Rezac 1995-10-24