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Optical Coating Laboratory Inc

Optical Co
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3981562A Spatial filtering for error detection Expired / Lapsed 1974-09-09 1976-09-21 33 Details
US3703718A Infrared intrusion detector system Expired / Lapsed 1971-01-07 1972-11-21 16 Details
US3437411A Optical null spectrophotometer Expired / Lapsed 1964-11-24 1969-04-08 0 Details