Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4616350A | Talking depth sounder | Beede Electrical Instrument Co Inc | Expired / Lapsed | 1984-08-29 | 1986-10-07 | 2004-08-29 | 0.0 yrs | 8 | |
| US4489405A | Talking depth sounder | Beede Electrical Instrument Co Inc | Expired / Lapsed | 1982-08-30 | 1984-12-18 | 2002-08-30 | 0.0 yrs | 22 |