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Electric Power Research Institute

Electric P
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4362057A Optical fiber temperature sensor Expired / Lapsed 1980-10-10 1982-12-07 13 Details
US4258574A Method and apparatus for ultrasonic imaging using a line so… Expired / Lapsed 1979-03-16 1981-03-31 19 Details
US4216498A Visibility monitor employing television camera Expired / Lapsed 1978-09-12 1980-08-05 20 Details