Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2087598A | Device for testing internal combustion engines | CHARLES ENGELHARD Inc | Expired / Lapsed | 1935-12-26 | 1937-07-20 | 1955-12-26 | 0.0 yrs | 0 | |
| US1907540A | Temperature indicating device | CHARLES ENGELHARD Inc | Expired / Lapsed | 1931-07-20 | 1933-05-09 | 1951-07-20 | 0.0 yrs | 0 |