Title:
Safety signaling device
United States Patent 3122736
Inventors:
Weber, Reinhold B.
Publication Date:
02/25/1964
Export Citation:
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Assignee:
Weber, Reinhold B.
Primary Class:
340/815.4
Other Classes:
116/202, 340/321, 340/604, 441/17, 441/89, 441/108
International Classes:
B63C9/20
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US Patent References:
2971206Submersion signal
2732820N/A
2594885Irrigation signal
2082763Irrigation signal
1394824Life-sustaining apparatus