DT

David S. Trandal

CC Callwave Communications: 68 patents #1 of 24Top 5%
CA Callwave: 32 patents #1 of 20Top 5%
IN Invoca: 9 patents #5 of 14Top 40%
JC J2 Global Communications: 5 patents #3 of 30Top 10%
AM Amazon: 2 patents #7,121 of 19,158Top 40%
DS Digital Sound: 1 patents #2 of 12Top 20%
Overall (All Time): #7,640 of 4,157,543Top 1%
136
Patents All Time

Issued Patents All Time

Showing 25 most recent of 136 patents

Patent #TitleCo-InventorsDate
9917953 Systems and methods for call processing David J. Brahm, Robert F. Smith 2018-03-13
9860385 Methods and systems for providing communications services David C. McClintock 2018-01-02
9838542 Methods and systems for managing communications Leland W. Kirchhoff, David F. Hofstatter 2017-12-05
9706029 Methods and systems for call processing Leland W. Kirchhoff 2017-07-11
9692891 Methods and systems for blocking unwanted communications Leland W. Kirchhoff, Colin D. Kelley, David F. Hofstatter 2017-06-27
9686414 Methods and systems for managing telecommunications and for translating voice messages to text messages Anthony Bladon, David Giannini, David F. Hofstatter, Colin D. Kelley, David C. McClintock +2 more 2017-06-20
9647978 Methods and apparatus for providing expanded telecommunications service Leland W. Kirchhoff, Colin D. Kelley, David J. Brahm, Robert F. Smith, David F. Hofstatter +1 more 2017-05-09
9621729 Methods and systems for data transfer and campaign management Jason S. Spievak, Colin D. Kelley 2017-04-11
9609139 Methods and systems for providing telecommunications services David C. McClintock 2017-03-28
9531882 Methods and systems for confirming message delivery David C. McClintock 2016-12-27
9497308 Method and systems for messaging services Leland W. Kirchhoff, David C. McClintock 2016-11-15
9491297 Methods and systems for managing telecommunications Leland W. Kirchhoff, David F. Hofstatter 2016-11-08
9438733 Methods and systems for data transfer and campaign management Jason S. Spievak, Colin D. Kelley 2016-09-06
9432494 Methods and systems for creating a dynamic call log and contact records Leland W. Kirchhoff 2016-08-30
9413885 Methods and systems for blocking unwanted communications Leland W. Kirchhoff, Colin D. Kelley, David F. Hofstatter 2016-08-09
9319523 Methods and apparatus for providing expanded telecommunications service Leland W. Kirchhoff, Colin D. Kelley, David J. Brahm, Robert F. Smith, David F. Hofstatter +1 more 2016-04-19
9294627 Methods and systems for providing telecommunications services David C. McClintock 2016-03-22
9292861 Methods and systems for routing calls Jason S. Spievak, Colin D. Kelley 2016-03-22
9282090 Methods and systems for identity verification in a social network using ratings Jason J. Liberman 2016-03-08
9277043 Methods and systems for managing telecommunications and for translating voice messages to text messages Anthony Bladon, David Giannini, David F. Hofstatter, Colin D. Kelley, David C. McClintock +2 more 2016-03-01
9258412 Enhanced service levels for call-processing services David J. Brahm, David F. Hofstatter, Robert F. Smith 2016-02-09
9253319 Methods and systems for call connecting calls Leland W. Kirchhoff, Colin D. Kelley 2016-02-02
9215318 Methods and systems for call processing in a wireline and wireless network Leland W. Kirchhoff 2015-12-15
9215326 Systems and methods for call processing David J. Brahm, Robert F. Smith 2015-12-15
9203955 Methods and systems for creating a dynamic call log and contact records Leland W. Kirchhoff 2015-12-01