QTERA CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6341186 Method and apparatus for the passband flattening of dense wavelength division optical filtersExpiredApr 13, 99Jan 22, 02[G02B]
6330155 Method and apparatus for temperature control of electrical devices mounted on circuit boardsExpiredMar 28, 00Dec 11, 01[H05K]
6185345 Ultra-stable optical wavelength division multiplexer/demultiplexerExpiredMar 18, 99Feb 06, 01[G02B]
6148122 High speed lithium niobate polarization independent modulatorsExpiredNov 17, 98Nov 14, 00[G02F]
6130766 Polarization mode dispersion compensation via an automatic tracking of a principal state of polarizationExpiredJan 07, 99Oct 10, 00[H04B]

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