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Ernst Leitz Wetzlar GmbH

Ernst Leit
Active Patents
0
Total Holdings
25

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
GB1505815A Bioactive composite material for prosthetic purposes and ma… Expired / Lapsed 1975-05-23 — 0 Details
GB1477899A Manufacture of therapeutically useful composite materials Expired / Lapsed 1974-09-10 — 0 Details
DE1085350B Interferometer Expired / Lapsed 1957-07-02 — 0 Details
DE1030059B Interferometer Expired / Lapsed 1955-07-28 — 0 Details
US4881897A Tooth-root implant with long-term resistance to repetitive … Expired / Lapsed 1987-05-07 1989-11-21 33 Details
US4365356A Prosthesis parts provided with a coating of a bio-active ma… Expired / Lapsed 1980-07-21 1982-12-28 24 Details
US4233650A Brightness control for fiber optical lamps Expired / Lapsed 1978-09-29 1980-11-11 6 Details
US4191477A Process and apparatus for the separate evaluation of image … Expired / Lapsed 1977-08-23 1980-03-04 15 Details
US4168326A Prosthesis parts provided with a coating of a bio-active ma… Expired / Lapsed 1976-10-18 1979-09-18 17 Details
US4141032A Method of and apparatus for the expansion of the range of t… Expired / Lapsed 1977-06-09 1979-02-20 16 Details
US4131597A Bioactive composite material process of producing and metho… Expired / Lapsed 1976-01-12 1978-12-26 24 Details
US4071297A Method and apparatus for photoelectrically determining the … Expired / Lapsed 1976-04-05 1978-01-31 49 Details
US3981736A Biocompatible glass ceramic material Expired / Lapsed 1975-05-12 1976-09-21 5 Details
US3906220A Optical correlator Expired / Lapsed 1973-11-19 1975-09-16 15 Details
US3833299A Apparatus for no-contact measurement of the velocity, the p… Expired / Lapsed 1972-12-12 1974-09-03 14 Details
US3552857A Optical device for the determination of the spacing of an o… Expired / Lapsed 1966-04-19 1971-01-05 0 Details
US3529528A Photoelectric precision camera range finder with optical ve… Expired / Lapsed 1967-12-04 1970-09-22 0 Details
US3519363A Apparatus for insertion into a bore to support an optical m… Expired / Lapsed 1968-04-11 1970-07-07 0 Details
US3508834A Photoelectric measurement system comprising movable grating Expired / Lapsed 1969-02-03 1970-04-28 0 Details
US3502415A Optical measuring instrument for measurements in two coordi… Expired / Lapsed 1966-07-07 1970-03-24 0 Details
US2643581A Bayonet union for camera objective parts Expired / Lapsed 1951-01-18 1953-06-30 0 Details
US2590725A Microtomes Expired / Lapsed 1949-08-23 1952-03-25 0 Details
US2077792A Illuminator attachment for microscopes Expired / Lapsed 1932-12-30 1937-04-20 0 Details
US1840448A Illuminating device for microscopes Expired / Lapsed 1930-01-25 1932-01-12 0 Details
US1573401A Photographic camera Expired / Lapsed 1924-05-20 1926-02-16 0 Details