Patents for Rowland L. Rickwood


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Patents for Rowland L. Rickwood
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,571,893	Feb. 02, 1926	R.L. Rickwood, D.C. Klausmeyer	Radial Drill Column Clamp
	1,659,304	Feb. 14, 1928	R.L. Rickwood, O.E. Schauer	Split Sleeve Frictional Reverser