FD

Frank Demuth

Philips: 1 patents #3,761 of 7,731Top 50%
Overall (All Time): #3,509,923 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6556656 X-ray tube provided with a flat cathode Robert L. Hess 2003-04-29