Patents for Andrew J. Johnson


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Patents for Andrew J. Johnson
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	603,484	May 03, 1898	A.J. Johnson	Automatic Turret Head for Lathes
	605,166	Jun. 07, 1898	A.J. Johnson	Lathe Chuck
	640,039	Dec. 26, 1899	A.J. Johnson, C.T. Smith	Pneumatic Drill.