Submarine signaling apparatus
United States Patent 2420676
US Patent References:
Production of submarine signals and the location of suemarine orjects
- - 1471547
Projecting means for submarine signaling apparatus
- - 2166162
Directional receiving of submarine signals
- - 1472558
Steering apparatus
- - 1344352
/1137222.html
- - 1137222
Production of submarine signals and the location of suemarine orjects
- - 1471547
Projecting means for submarine signaling apparatus
- - 2166162
Directional receiving of submarine signals
- - 1472558
Steering apparatus
- - 1344352
/1137222.html
- - 1137222
Inventors:
Peterson, Robert E.
Publication Date:
05/20/1947
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Export Citation:
Assignee:
SUBMARINE SIGNAL CO
Primary Class:
Other Classes:
114/21.300, 114/21.100, 367/150, 181/402, 116/27
International Classes:
G01S3/803; G10K11/30; G01S3/00; G10K11/00
US Patent References:
| 1588932 | Art and apparatus for warfare |
Foreign References:
| GB279878A |