Ecrm Trust
Records under this name other than patents Ecrm Trust holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,340,912 | Random screen generator apparatus for producing halftone images Formerly held Term ended Term ended no later than Jul 20, 2002 · Low confidence | Term ended | Term ended no later than Jul 20, 2002 | Low confidence |
| US 4,352,012 | Header sheet for image communications system Formerly held Term ended Term ended no later than Sep 28, 2002 · Low confidence | Term ended | Term ended no later than Sep 28, 2002 | Low confidence |
| US 4,360,840 | Real time data compression/decompression scheme for facsimile transmission system Term ended Term ended no later than Nov 23, 2002 · Low confidence | Term ended | Term ended no later than Nov 23, 2002 | Low confidence |
| US 4,578,689 | Dual mode laser printer Term ended Term ended no later than Mar 25, 2006 · Low confidence | Term ended | Term ended no later than Mar 25, 2006 | Low confidence |
| US 4,613,877 | High resolution laser printer Term ended Term ended no later than Sep 23, 2006 · Low confidence | Term ended | Term ended no later than Sep 23, 2006 | Low confidence |
| US 4,683,187 | Dry process electrostatic developer comprising a generally round magnetic carrier and a flake-type carrier Term ended Term ended no later than Jul 28, 2007 · Low confidence | Term ended | Term ended no later than Jul 28, 2007 | Low confidence |
| US 4,751,524 | Constant power laser driver Term ended Term ended no later than Jun 14, 2008 · Low confidence | Term ended | Term ended no later than Jun 14, 2008 | Low confidence |
| US 4,806,879 | Method and apparatus for synchronizing to a pulse train packet signal Formerly held Term ended Term ended no later than Feb 21, 2009 · Low confidence | Term ended | Term ended no later than Feb 21, 2009 | Low confidence |
| US 5,124,803 | Method and apparatus for generating digital, angled halftone screens using pixel candidate lists and screen angle correction to prevent moire patterns Formerly held Term ended Term ended no later than Jun 23, 2012 · Low confidence | Term ended | Term ended no later than Jun 23, 2012 | Low confidence |
| US 5,191,442 | Apparatus for scanning a document Formerly held Term ended Term ended no later than Mar 2, 2013 · Low confidence | Term ended | Term ended no later than Mar 2, 2013 | Low confidence |