DF

Donald W. Feldman

WE Westinghouse Electric: 5 patents #593 of 5,139Top 15%
📍 Pittsburgh, PA: #1,616 of 7,570 inventorsTop 25%
🗺 Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #1,064,523 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4705362 Acousto-optic tunable filter with two acoustic channels Frederick M. Ryan, Milton Gottlieb 1987-11-10
4661963 Recovery system for xenon chloride laser Chi-Sheng Liu 1987-04-28
4622845 Method and apparatus for the detection and measurement of gases Frederick M. Ryan 1986-11-18
4242648 High power electrode and feedthrough assembly for high temperature lasers Chi-Sheng Liu, Roy K. Williams, Lelland A. C. Weaver 1980-12-30
4239995 Metal vapor Raman frequency shifter Lelland A. C. Weaver, Chi-Sheng Liu 1980-12-16