US 2,389,458 A
Controlling relay
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US 2,389,458 A
Controlling relay
Tech Center:
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Examiner:
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Art Unit:
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Agent:
AMERICAN LAUNDRY MACH CO
Inventors:
John E Preston
Assignee:
AMERICAN LAUNDRY MACH CO
Priority:
03/27/42
Filed:
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Granted:
11/20/45
Expiration:
01/01/70

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