Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US5054500A | Catheter guiding and positioning method | LITTLEFORD ELIZABETH H | Expired / Lapsed | 1989-04-13 | 1991-10-08 | 2009-04-13 | 0.0 yrs | 9 | |
| US4345606A | Split sleeve introducers for pacemaker electrodes and the like | LITTLEFORD ELIZABETH H | Expired / Lapsed | 1980-03-24 | 1982-08-24 | 2000-03-24 | 0.0 yrs | 12 | |
| US4166469A | Apparatus and method for inserting an electrode | LITTLEFORD ELIZABETH H | Expired / Lapsed | 1977-12-13 | 1979-09-04 | 1997-12-13 | 0.0 yrs | 20 |