BD

Bernard Rothkegel, deceased

SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
Overall (All Time): #3,909,215 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4948424 Low voltage switching apparatus sinter contact material Wolfgang Haufe 1990-08-14