Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US1741526A | Appliance for photographing the interior of the eye | Carl Zeiss SMT GmbH | Expired / Lapsed | 1929-02-20 | 1929-12-31 | 1949-02-20 | 0.0 yrs | 0 | |
| US1671168A | Caliper gauge | Carl Zeiss SMT GmbH | Expired / Lapsed | 1925-10-14 | 1928-05-29 | 1945-10-14 | 0.0 yrs | 0 |