Translating means for electrical currents
United States Patent 2244257
Inventors:
Michael, Maul
Publication Date:
06/03/1941
View Patent Images:
Export Citation:
Assignee:
Firm, Deutsche Hollerith Maschi
Primary Class:
Other Classes:
235/426, 341/103, 235/429, 235/454
International Classes:
H04L25/49; H04L25/493