Patents for Emma B. Eckfeldt, Executrix


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Patents for Emma B. Eckfeldt, Executrix
Patents 1 - 1 of 1
Number	Date	Patentee	Title	Type
2,053,470	Sep. 08, 1936	E.B. Eckfeldt, Executrix, J.J. Eckfeldt, deceased (Estate Of), N.E. Flodin	Apparatus for Machining Cylindrical Surfaces	metal lathes