Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2161828A | Air compressor | Sullivan Machinery Co | Expired / Lapsed | 1935-12-27 | 1939-06-13 | 1955-12-27 | 0.0 yrs | 0 | |
| US2089202A | Rock drill feeding means | Sullivan Machinery Co | Expired / Lapsed | 1935-05-11 | 1937-08-10 | 1955-05-11 | 0.0 yrs | 0 |