Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2736994A | Method of and apparatus for grinding gears | Farrel Birmingham Co Inc | Expired / Lapsed | 1954-03-15 | 1956-03-06 | 1974-03-15 | 0.0 yrs | 0 | |
| US2380113A | Flexible coupling | Farrel Birmingham Co Inc | Expired / Lapsed | 1943-04-12 | 1945-07-10 | 1963-04-12 | 0.0 yrs | 0 |