Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4944891A | Easily poled 0-3 piezoelectric composites for transducer applications | CNA Holdings LLC | Expired / Lapsed | 1987-03-06 | 1990-07-31 | 2007-03-06 | 0.0 yrs | 18 | |
| US4195052A | Production of improved polyester filaments of high strength possessing an unusually stable internal structure | CNA Holdings LLC | Expired / Lapsed | 1976-10-26 | 1980-03-25 | 1996-10-26 | 0.0 yrs | 32 |