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Optical Switch Corp

Optical Sw

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US5841916A	Frustrated total internal reflection device	Expired / Lapsed	1997-11-17	1998-11-24	36	Details
US5566260A	Apparatus for switching optical signals and method of opera…	Expired / Lapsed	1995-05-18	1996-10-15	14	Details
US5555327A	Frustrated total internal reflection device	Expired / Lapsed	1995-06-07	1996-09-10	35	Details
US5444801A	Apparatus for switching optical signals and method of opera…	Expired / Lapsed	1994-05-27	1995-08-22	30	Details
US5221987A	FTIR modulator	Expired / Lapsed	1992-04-10	1993-06-22	27	Details