Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3988923A | Measuring device | H Maihak AG | Expired / Lapsed | 1975-03-20 | 1976-11-02 | 1995-03-20 | 0.0 yrs | 13 | |
| US2750796A | Apparatus for measuring variable conditions in bore-holes | H Maihak AG | Expired / Lapsed | 1951-05-31 | 1956-06-19 | 1971-05-31 | 0.0 yrs | 2 |