BE

by Caroline S. Rawcliffe, executrix

ND National Research Development: 1 patents #307 of 1,071Top 30%
Overall (All Time): #4,072,446 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4338534 Pole-amplitude modulation, pole-changing electric motors and generators Alexander R. W. Broadway, Gordon Hindle Rawcliffe 1982-07-06