Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9456068 | System and method for connecting a user to business services | Vishal Dhawan, Manoj Sindhwani | 2016-09-27 |
| 9426269 | System and method for performing certain actions based upon a dialed telephone number | Vishal Dhawan, Manoj Sindhwani | 2016-08-23 |
| 9313307 | System and method for verifying the identity of a user by voiceprint analysis | Vishal Dhawan, Manoj Sindhwani | 2016-04-12 |
| 9253301 | System and method for announcing and routing incoming telephone calls using a distributed voice application execution system architecture | Vishal Dhawan, Manoj Sindhwani | 2016-02-02 |
| 8981958 | Electric field communication for short range data transmission in a borehole | Donald H. Van Steenwyk, Harold T. Buscher | 2015-03-17 |
| 8964960 | System and method for interacting with a user via a variable volume and variable tone audio prompt | Vishal Dhawan, Manoj Sindhwani | 2015-02-24 |
| 8401859 | Voice application network platform | Vishal Dhawan | 2013-03-19 |
| 8258976 | Electric field communication for short range data transmission in a borehole | Donald H. Van Steenwyk, Harold T. Buscher | 2012-09-04 |
| 8234119 | Voice application network platform | Vishal Dhawan | 2012-07-31 |
| 7576532 | Motion transducer for motion related to the direction of the axis of an eddy-current displacement sensor | Donald H. Van Steenwyk, George K. Walker, Cory Wilson | 2009-08-18 |
| 7518528 | Electric field communication for short range data transmission in a borehole | Donald H. Van Steenwyk, Harold T. Buscher | 2009-04-14 |
| 6928157 | System and method for automated customer calling | — | 2005-08-09 |
| 6859524 | System and method for automated third party verification | Nicholas K. Unger, John R. Ramsay, Dana N. Skaddan | 2005-02-22 |
| 6744881 | System and method for automated customer calling | — | 2004-06-01 |
| 6718017 | System and method for creating and controlling interactive voice response applications | Nicholas K. Unger, David E. Markle, John R. Ramsay, Joshua Tindal Gray | 2004-04-06 |
| 6650736 | System and method for automated third party verification | Nicholas K. Unger, John R. Ramsay, Dana N. Skaddan | 2003-11-18 |
| 6606374 | System and method for recording and playing audio descriptions | Kenneth I. Rokoff, John R. Ramsay, J. Christopher Wiseman | 2003-08-12 |
| 6396276 | Apparatus and method for electric field telemetry employing component upper and lower housings in a well pipestring | Donald H. Van Steenwyk, James N. Towle | 2002-05-28 |
| 6188223 | Electric field borehole telemetry | Donald H. Van Steenwyk, James N. Towle | 2001-02-13 |
| 5883516 | Apparatus and method for electric field telemetry employing component upper and lower housings in a well pipestring | Donald H. Van Steenwyk, James N. Towle | 1999-03-16 |
| 5720345 | Casing joint detector | Donald H. Van Steenwyk | 1998-02-24 |