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