Rodenstock Instruments Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4715703 Ocular-fundus analyzerExpiredJan 14, 86Dec 29, 87[A61B]
4329049 Median point detecting apparatus for a lensmeterExpiredMar 06, 80May 11, 82[H01J, G01B]
4275964 Apparatus and method for determining the refractive characteristics of a test lensExpiredMay 18, 79Jun 30, 81[G01B]

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