Title:
Radio direction finder
United States Patent 2153975

Inventors:
Bertram, Smith Sidney
Ernest, Green
Publication Date:
04/11/1939
View Patent Images:
Download PDF 2153975 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
RCA CORP
Primary Class:
342/420
Other Classes:
343/896, 343/721, 342/445, 343/749
International Classes:
G01S3/08; G01S3/02