Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US5381782A | Bi-directional and multi-directional miniscopes | Spectrum Medsystems Corp | Expired / Lapsed | 1993-02-23 | 1995-01-17 | 2013-02-23 | 0.0 yrs | 13 | |
| US5224930A | Trocar system for facilitating passage of instruments into a body cavity through a minimal access incision | Spectrum Medsystems Corp | Expired / Lapsed | 1992-02-14 | 1993-07-06 | 2012-02-14 | 0.0 yrs | 8 | |
| US5209741A | Surgical access device having variable post-insertion cross-sectional geometry | Spectrum Medsystems Corp | Expired / Lapsed | 1991-07-08 | 1993-05-11 | 2011-07-08 | 0.0 yrs | 18 | |
| US4899732A | Miniscope | Spectrum Medsystems Corp | Expired / Lapsed | 1988-09-02 | 1990-02-13 | 2008-09-02 | 0.0 yrs | 34 |