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Landis and Gyr Metering Inc

Landis and

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3311824A	Transient insensitive photoelectric impulse device for use …	Expired / Lapsed	1963-09-06	1967-03-28	1	Details
US2957133A	Automatic meter calibration	Expired / Lapsed	1958-05-14	1960-10-18	0	Details
US2788488A	Method of phasing watthour meters and apparatus	Expired / Lapsed	1955-06-06	1957-04-09	0	Details
US1871170A	Electric current consumption system	Expired / Lapsed	1930-06-11	1932-08-09	0	Details
US842829A	Process of making commutators.	Expired / Lapsed	1905-01-23	1907-01-29	0	Details