Title:
Method and apparatus for controlling electric currents
United States Patent 1745175


Inventors:
Edgar, Lilienfeld Julius
Application Number:
US14036326A
Publication Date:
01/28/1930
Filing Date:
10/08/1926
Assignee:
Edgar, Lilienfeld Julius
Primary Class:
Other Classes:
257/43, 257/66, 257/73, 257/E29.296, 327/581, 330/277
International Classes:
H01L29/00; H01L29/786; H03F3/04
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