Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2330997A | Perforating machine | AMERICAN PERFORATOR Co | Expired / Lapsed | 1941-08-06 | 1943-10-05 | 1961-08-06 | 0.0 yrs | 0 | |
| US1394566A | Perforating-machine | AMERICAN PERFORATOR Co | Expired / Lapsed | 1918-07-10 | 1921-10-25 | 1938-07-10 | 0.0 yrs | 0 |