Superheterodyne receiver
United States Patent 2073344

Inventors:
Kelly, Johnson John
Publication Date:
03/09/1937
View Patent Images:
Export Citation:
Assignee:
HAZELTINE CORP
Primary Class:
Other Classes:
333/178
International Classes:
F16J9/20; H03H7/01; H04B1/26; F16J9/00