Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4790651A | Tracking laser interferometer | CHESAPEAKE LANSER SYSTEMS Inc | Expired / Lapsed | 1987-09-30 | 1988-12-13 | 2007-09-30 | 0.0 yrs | 30 | |
| US4621926A | Interferometer system for controlling non-rectilinear movement of an object | CHESAPEAKE LANSER SYSTEMS Inc | Expired / Lapsed | 1985-04-30 | 1986-11-11 | 2005-04-30 | 0.0 yrs | 13 |