Patents for Bengt M. W. Hanson, deceased (Estate of)


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Patents for Bengt M. W. Hanson, deceased (Estate of)
Patents 1 - 1 of 1
Number	Date	Patentee	Title	Type
1,570,831	Jan. 26, 1926	C.E. Whitney, Executor, E.A. Hanson, Executor, B.M. Hanson, deceased (Estate of)	Measuring Device	micrometer attachments