Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10009472 | Apparatus and methods for notification of a party in a telephone conference | Karl Daniel Gierach | 2018-06-26 |
| 9413897 | Apparatus and methods for notification of a party in a telephone conference | Karl Daniel Gierach | 2016-08-09 |
| 8750470 | Apparatus and methods for notification of a party in a telephone conference | Karl Daniel Gierach | 2014-06-10 |
| 8290140 | Sound event processing with echo analysis | Karl Daniel Gierach | 2012-10-16 |
| 8072909 | Apparatus and method for notification of a party in a telephone conference | Karl Daniel Gierach | 2011-12-06 |
| 7822192 | Sound event processing with echo analysis | Karl Daniel Gierach | 2010-10-26 |