Signaling system switch
United States Patent 2674675
US Patent References:
/1100382.html
- - 1100382

/1281208.html
- - 1281208

Indicating device
- - 1340145

Restaurant service system and apparatus
- - 1796668

Signaling apparatus
- - 2012650


Inventors:
Lambert, Adelor A.
Publication Date:
04/06/1954
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Assignee:
Lambert, Adelor A.
Primary Class:
200/317
Other Classes:
340/666, 340/332, 200/85R, 340/568.100
International Classes:
G08B5/36; H01H35/00; G08B5/22
US Patent References:
2273353Illuminated push button switch
2546086Plate push button
2610277Ball game switch