Title:
Photoelectric wall switch and relay system
United States Patent 3328592
US Patent References:
Speed regulating system
- - 1819439
Signal for motor vehicles
- - 2039604
Amusement device
- - 2174206
/2228780.html
- - 2228780
Telephone electrical circuit control system
- - 2363145
Speed regulating system
- - 1819439
Signal for motor vehicles
- - 2039604
Amusement device
- - 2174206
/2228780.html
- - 2228780
Telephone electrical circuit control system
- - 2363145
Inventors:
Shaw II, Howard R.
Publication Date:
06/27/1967
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Export Citation:
Assignee:
Shaw II, Howard R.
Primary Class:
Other Classes:
361/173, 250/206
International Classes:
H01H47/24; H01H47/22
US Patent References:
| 2685064 | Electrical measuring and indicating system |