Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4763207A | Digital method and system for reproducing analog data | RR Donnelley and Sons Co | Expired / Lapsed | 1986-12-12 | 1988-08-09 | 2006-12-12 | 0.0 yrs | 88 | |
| US1804392A | Method of binding books | RR Donnelley and Sons Co | Expired / Lapsed | 1928-11-26 | 1931-05-12 | 1948-11-26 | 0.0 yrs | 0 | |
| US1738180A | Signature-gathering machine | RR Donnelley and Sons Co | Expired / Lapsed | 1928-08-01 | 1929-12-03 | 1948-08-01 | 0.0 yrs | 0 |