Patents for Standard Steel & Bearings, Inc.


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Patents for Standard Steel & Bearings, Inc.
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,415,054	May 09, 1922	H.M. Rockwell	Gauge
	1,543,795	Jun. 30, 1925	H.M. Rockwell	Continuous Reading Gauge