Title:
Sequential timer and controller
United States Patent 2989667
Inventors:
Swink, Lloyd V.
Publication Date:
06/20/1961
Export Citation:
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Assignee:
Swink, Lloyd V.
Primary Class:
361/201
Other Classes:
239/63, 361/166
International Classes:
G05B19/07; G05B19/04
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US Patent References:
2812976Automatic irrigation control means
2803814N/A
2746001Electric motor operation with interlocking relays and control circuits