Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2002090A | Making parallax panoramagrams | PERSER Corp | Expired / Lapsed | 1930-12-20 | 1935-05-21 | 1950-12-20 | 0.0 yrs | 0 | |
| US1862847A | Method of making stereoscopic pictures | PERSER Corp | Expired / Lapsed | 1930-08-08 | 1932-06-14 | 1950-08-08 | 0.0 yrs | 0 | |
| US1814701A | Method of making viewing gratings for relief or stereoscopic pictures | PERSER Corp | Expired / Lapsed | 1930-05-31 | 1931-07-14 | 1950-05-31 | 0.0 yrs | 0 |