Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US1998708A | Internal combustion engine | Campbell Wyant and Cannon Foundry Co | Expired / Lapsed | 1934-01-15 | 1935-04-23 | 1954-01-15 | 0.0 yrs | 0 | |
| US1917872A | Centrifugal casting machine | Campbell Wyant and Cannon Foundry Co | Expired / Lapsed | 1931-11-09 | 1933-07-11 | 1951-11-09 | 0.0 yrs | 0 |