Signaling device
United States Patent 2512775
US Patent References:
Electric fire
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Time-controlled device
- - 1648748

Circuit making and breaking device
- - 1974188

Alarm clock
- - 2026070

Automatic tuning system for radio sets
- - 2248116


Inventors:
Parissi, Anthony J.
Publication Date:
06/27/1950
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Assignee:
Parissi, Anthony J.
Primary Class:
315/132
Other Classes:
340/326, 368/261, 340/331, 340/309.700, 200/38FB, 315/360, 968/596, 340/309.800
International Classes:
G04C21/28; G04C21/00
US Patent References:
2421986Alarm clock and switch