Article: Patent No. 07602563 Issued on Oct. 13, Assigned to Quality Vision International, Inc. for System and method for focal length stabilization using active temperature control

ALEXANDRIA, Va., Sept. 15 -- Stephanie Bloch, Fred J. Schwab, all of Rush, NY, have developed a System and method for focal length stabilization using active temperature control .The inventors were issued U.S. Patent No. 07602563 on Oct. 13.

The patent has been assigned Quality Vision International, Inc., Rochester.

According to the abstract released by the U.S. Patent & Trademark Office: An optical metrological system having a heat-generating light source coaxially mounted ...

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