Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US1830340A | Brake testing apparatus | BRAKE SYNCHROMETER Co | Expired / Lapsed | 1928-08-15 | 1931-11-03 | 1948-08-15 | 0.0 yrs | 0 | |
| US1746718A | Brake-testing apparatus | BRAKE SYNCHROMETER Co | Expired / Lapsed | 1926-05-01 | 1930-02-11 | 1946-05-01 | 0.0 yrs | 0 |