Title:
Electric switching device for ciphering apparatus
United States Patent 2802047
US Patent References:
/1683072.html
- - 1683072

Rotor
- - 2402182


Inventors:
Wilhelm, Hagelin Boris Caesar
Publication Date:
08/06/1957
View Patent Images:
Download PDF 2802047 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Wilhelm, Hagelin Boris Caesar
Primary Class:
380/26
Other Classes:
380/51, 400/89
International Classes:
G09C1/12; G09C1/06
Foreign References:
CH248973A