Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3838212A | Graphical data device | Amperex Electronic Corp | Expired / Lapsed | 1969-07-11 | 1974-09-24 | 1989-07-11 | 0.0 yrs | 15 | |
| US3821469A | Graphical data device | Amperex Electronic Corp | Expired / Lapsed | 1972-05-15 | 1974-06-28 | 1992-05-15 | 0.0 yrs | 4 |