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Northrop Grumman Litef GmbH

Northrop G

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
DE3341679A1	Navigation method for vehicles	Expired / Lapsed	1983-11-18	—	0	Details
US4372685A	Method and arrangement for the measurement of rotations	Expired / Lapsed	1980-01-14	1983-02-08	23	Details
US4354760A	Ring interferometer comprising a single-mode light waveguide	Expired / Lapsed	1980-03-20	1982-10-19	7	Details
US4325636A	Interferometer with a single-mode waveguide coil	Expired / Lapsed	1979-01-11	1982-04-20	6	Details
US4259016A	Interferometer with a single-mode waveguide coil	Expired / Lapsed	1979-01-11	1981-03-31	20	Details