All Patents in class 356/396


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All Patents in class 356/396
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,484,103	Oct. 11, 1949	R.E. Lewis	Projection Comparator for Objects in Relation to Spaced Drawings or Reticles
	2,886,717	May 12, 1959	D.T. Williamson, G.S. Walker, A.T. Sheperd	Measuring Apparatus