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Technical Operations Inc

Technical

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3884553A	Optical display system with improved spectral efficiency	Expired / Lapsed	1974-01-16	1975-05-20	22	Details
US3770340A	Coherent optical system with expanded bandwidth and noise s…	Expired / Lapsed	1972-08-21	1973-11-06	19	Details
US3719127A	Spectral zonal information storage and retrieval	Expired / Lapsed	1971-04-01	1973-03-06	6	Details
US3597069A	Tv film reproduction system compatible with diffraction pro…	Expired / Lapsed	1969-02-05	1971-08-03	9	Details
US3061769A	Electric wave converter	Expired / Lapsed	1960-04-14	1962-10-30	0	Details