Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US5207681A | Drill guide apparatus for perpendicular perforation of the cranium | Neurodynamics Inc | Expired / Lapsed | 1989-10-19 | 1993-05-04 | 2009-10-19 | 0.0 yrs | 15 | |
| US4875482A | Flexible grasping device | Neurodynamics Inc | Expired / Lapsed | 1988-06-21 | 1989-10-24 | 2008-06-21 | 0.0 yrs | 29 | |
| US4821716A | Method and apparatus for perpendicular perforation of the cranium | Neurodynamics Inc | Expired / Lapsed | 1987-09-04 | 1989-04-18 | 2007-09-04 | 0.0 yrs | 22 |