Leica Microsystems Inc
Leica MicrActive Patents
0
Total Holdings
12
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4644178A | Signal processing for optical image sensor | Expired / Lapsed | 1984-12-06 | 1987-02-17 | 14 | Details |
| US4277172A | Soft contact lens apparatus | Expired / Lapsed | 1979-11-05 | 1981-07-07 | 9 | Details |
| USD246987S | Lens measuring instrument | Expired / Lapsed | 1975-12-22 | 1978-01-17 | 1 | Details |
| US4050079A | Electrocardiographic apparatus with recording pen protector | Expired / Lapsed | 1976-09-09 | 1977-09-20 | 9 | Details |
| US3333580A | Apparatus for producing vector patterns of electrocardiogra… | Expired / Lapsed | 1964-05-27 | 1967-08-01 | 2 | Details |
| US3196100A | Oxygen detecting and measuring apparatus | Expired / Lapsed | 1961-09-07 | 1965-07-20 | 2 | Details |
| US3177700A | Method and apparatus for measuring the gas content of mater… | Expired / Lapsed | 1961-07-18 | 1965-04-13 | 2 | Details |
| US3022241A | Method and apparatus for measurement of dissolved oxygen | Expired / Lapsed | 1958-02-11 | 1962-02-20 | 2 | Details |
| US2655425A | Electrocardiograph | Expired / Lapsed | 1950-02-25 | 1953-10-13 | 0 | Details |
| US2596992A | Apparatus for gas analysis | Expired / Lapsed | 1945-04-07 | 1952-05-20 | 0 | Details |
| US2237558A | Aircraft exhaust-gas testing apparatus | Expired / Lapsed | 1937-10-22 | 1941-04-08 | 0 | Details |
| US2228315A | Gas-delivery apparatus and method | Expired / Lapsed | 1938-02-25 | 1941-01-14 | 0 | Details |