All Patents in class 337/344


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All Patents in class 337/344
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,102,176	Dec. 14, 1937	E.J. Dillman	Control Means	temperature control apparatus
2,239,146	Apr. 22, 1941	J.E. Fleury, E.J. Dillman	Control Device	flow controls