Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3532228A | Electronic control and surveillance system for railway trains | Amsted Industries Inc | Expired / Lapsed | 1969-04-25 | 1970-10-06 | 1989-04-25 | 0.0 yrs | 0 | |
| US3159974A | Master cylinder | Amsted Industries Inc | Expired / Lapsed | 1963-03-25 | 1964-12-08 | 1983-03-25 | 0.0 yrs | 2 |