JK

John Christopher De Klerk

WE Westinghouse Electric: 2 patents #1,558 of 5,139Top 35%
📍 Pittsburgh, PA: #1,996 of 7,570 inventorsTop 30%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,226,482 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8438735 Razor 2013-05-14
8327544 Razor Brian Steinhobel 2012-12-11
4292608 Electroacoustic delay line apparatus Robert W. Weinert 1981-09-29
4259649 Electroacoustic delay line apparatus 1981-03-31