Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3172026A | Positional servo system of the digital comparator type | Warner and Swasey Co | Expired / Lapsed | 1961-03-23 | 1965-03-02 | 1981-03-23 | 0.0 yrs | 2 | |
| US3166733A | Number comparing systems | Warner and Swasey Co | Expired / Lapsed | 1960-04-21 | 1965-01-19 | 1980-04-21 | 0.0 yrs | 2 |