Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3632181A | Two-dimensional holographic image projection systems | Holotron Corp | Expired / Lapsed | 1970-03-12 | 1972-01-04 | 1990-03-12 | 0.0 yrs | 12 | |
| US3556081A | Breast holder for mammograph | Holotron Corp | Expired / Lapsed | 1968-05-20 | 1971-01-19 | 1988-05-20 | 0.0 yrs | 8 | |
| US3545835A | Two-beam holography with reduced source coherence requirements | Holotron Corp | Expired / Lapsed | 1967-05-16 | 1970-12-08 | 1987-05-16 | 0.0 yrs | 0 | |
| US3539241A | Method of imaging transparent objects with coherent light | Holotron Corp | Expired / Lapsed | 1967-05-12 | 1970-11-10 | 1987-05-12 | 0.0 yrs | 0 |