Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2441912A | Sheet separating device | Bruning Charles Co Inc | Expired / Lapsed | 1946-07-23 | 1948-05-18 | 1966-07-23 | 0.0 yrs | 0 | |
| US2431520A | Photoprinting machine | Bruning Charles Co Inc | Expired / Lapsed | 1945-02-20 | 1947-11-25 | 1965-02-20 | 0.0 yrs | 0 | |
| US2351339A | Cooling system for photoprinting mechanisms | Bruning Charles Co Inc | Expired / Lapsed | 1942-09-03 | 1944-06-13 | 1962-09-03 | 0.0 yrs | 0 |