Thermally responsive gas-discharge device
United States Patent 2269442

Inventors:
Charles, Dench Edward
Publication Date:
01/13/1942
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Assignee:
Charles, Dench Edward
Primary Class:
315/63
Other Classes:
313/537, 337/25, 250/214R, 315/268, 313/293, 361/174, 337/27, 313/151, 337/26, 315/73, 313/148, 313/162, 315/261, 250/205, 337/23, 313/297, 315/150, 361/207, 315/167, 315/157
International Classes:
H01J40/16; H01J40/00