Executone Information Systems, Inc.
Records under this name other than patents Executone Information Systems, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Executone Information Systems, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,539,393 | Portable locator system Formerly held Term ended Term ended Sep 30, 2019 · From the USPTO record | Term ended | Term ended Sep 30, 2019 | From the USPTO record |
| US 6,205,206 | Integrating a voice messaging function card over a public branch exchange (PBX) backplane Formerly held Term ended Term ended Mar 24, 2018 · From the USPTO record | Term ended | Term ended Mar 24, 2018 | From the USPTO record |
| US RE37,531 | System for identifying object locations Term ended Term ended Jul 2, 2013 · From the USPTO record | Term ended | Term ended Jul 2, 2013 | From the USPTO record |
| US 6,958,706 | Patient Care and Communication System Formerly held Term ended Term ended Aug 22, 2011 · From the USPTO record | Term ended | Term ended Aug 22, 2011 | From the USPTO record |
| US 4,588,865 | Music on hold for key systems Formerly held Term ended Term ended no later than May 13, 2006 · Low confidence | Term ended | Term ended no later than May 13, 2006 | Low confidence |
| US 4,977,590 | Signal level expansion apparatus as for a telecommunications system Formerly held Term ended Term ended no later than Dec 11, 2010 · Low confidence | Term ended | Term ended no later than Dec 11, 2010 | Low confidence |
| US 4,998,249 | Method and system for multiplexing telephone line circuits to highway lines Formerly held Term ended Term ended no later than Mar 5, 2011 · Low confidence | Term ended | Term ended no later than Mar 5, 2011 | Low confidence |
| US 5,291,399 | Method and apparatus for accessing a portable personal database as for a hospital environment Formerly held Term ended Term ended no later than Mar 1, 2014 · Low confidence | Term ended | Term ended no later than Mar 1, 2014 | Low confidence |
| US 5,341,412 | Apparatus and a method for predictive call dialing Formerly held Term ended Term ended no later than Aug 23, 2014 · Low confidence | Term ended | Term ended no later than Aug 23, 2014 | Low confidence |
| US 5,412,715 | Apparatus and method for connecting telephone switching devices Formerly held Term ended Term ended no later than May 2, 2015 · Low confidence | Term ended | Term ended no later than May 2, 2015 | Low confidence |