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Assignee: Rxtec, Incoporated

Location: Richmond, VA
No. of patents: 1

Number	Title	Issue Date
4977675	Apparatus for marking eyeglass lens blanks Apparatus is provided for marking a semi-finished opthalmic lens blank for a subsequent blocking operation. The marking serves to indicate the optical center, cylindrical axis, and prism axis. The apparatus has a vertically positionable head assembly havi...	12/18/1990