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McDonnell Miller #47-2 Low Water Cut Off and Water Feeder Patents Info Request

Gordo
Gordo Member Posts: 842
Does anybody know any patent numbers attached to MM's wonderful #47-2?
All Steamed Up, Inc.
"Reducing our country's energy consumption, one system at a time"
Steam, Vapor & Hot-Water Heating Specialists
Oil & Gas Burner Service
Baltimore, MD (USA) and consulting anywhere.
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