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All Patents in class 108/20
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,789,562	Jan. 20, 1931	J.H. Penniman, J.G. Collins	Revoluble display stand
	4,080,009	Mar. 21, 1978	J.C. Scherer, O.W. Ehrhardt, B.C. Cuppan, S.M. Marathe	Servostatic Bearing System With Variable Stiffness

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