Category:United States patent 1220005

**Wireless Signaling System**
	1917 patent to Rogers and Lyon
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Instance of	patent; United States patent;
Main subject	wireless telegraphy;
Author	James Harris Rogers; Henry H. Lyon;
Discoverer or inventor	James Harris Rogers; Henry H. Lyon;
Language of work or name	English;
Publication date	2 March 1917;
Authority file
	Q128629656;
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