Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4490919A | Leveling arrangement for measuring terrain points | Jenoptik AG | Expired / Lapsed | 1982-02-16 | 1985-01-01 | 2002-02-16 | 0.0 yrs | 4 | |
| US3519829A | Optical system for radiation sensitive rangefinder | Jenoptik AG | Expired / Lapsed | 1967-10-10 | 1970-07-07 | 1987-10-10 | 0.0 yrs | 0 | |
| US3391283A | Measuring device having analyzer for comparing pulses from scale and from cathode ray tube coupled to interferometer output | Jenoptik AG | Expired / Lapsed | 1965-11-09 | 1968-07-02 | 1985-11-09 | 0.0 yrs | 2 | |
| US3355603A | Hollow bodies of electrostrictive material | Jenoptik AG | Expired / Lapsed | 1965-04-13 | 1967-11-28 | 1985-04-13 | 0.0 yrs | 2 |