CP

Charles E. Petras

SL Schweitzer Engineering Laboratories: 2 patents #157 of 418Top 40%
📍 Pullman, WA: #210 of 521 inventorsTop 45%
🗺 Washington: #35,300 of 76,902 inventorsTop 50%
Overall (All Time): #2,103,553 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7899619 Apparatus and method for transmitting information using an IRIG-B waveform generated by an intelligent electronic device 2011-03-01
7630863 Apparatus, method, and system for wide-area protection and control using power system data having a time component associated therewith Gregary C. Zweigle, Armando Guzman-Casillas, Ping Jiang 2009-12-08