System and method for underwater communication
United States Patent 2798902
US Patent References:
Frequency selective apparatus
- - 2423459


Inventors:
Richard, Kursman Daniel
Rosen, Sigmund P.
Publication Date:
07/09/1957
View Patent Images:
Download PDF 2798902 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Richard, Kursman Daniel
Rosen, Sigmund P.
Primary Class:
367/132
International Classes:
H04B1/54