Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US5058088A | Time indicator | HAAS DAVID J TRUSTOR | Expired / Lapsed | 1990-01-04 | 1991-10-15 | 2010-01-04 | 0.0 yrs | 34 | |
| US4903254A | Time indicator enhancement method | HAAS DAVID J TRUSTOR | Expired / Lapsed | 1989-08-31 | 1990-02-20 | 2009-08-31 | 0.0 yrs | 18 |