DH

David F. Hofstatter

CC Callwave Communications: 26 patents #3 of 24Top 15%
CA Callwave: 11 patents #3 of 20Top 15%
JC J2 Global Communications: 3 patents #12 of 30Top 40%
📍 Lompoc, CA: #34 of 2,245 inventorsTop 2%
🗺 California: #11,329 of 386,348 inventorsTop 3%
Overall (All Time): #79,833 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
9838542 Methods and systems for managing communications Leland W. Kirchhoff, David S. Trandal 2017-12-05
9692891 Methods and systems for blocking unwanted communications Leland W. Kirchhoff, Colin D. Kelley, David S. Trandal 2017-06-27
9686414 Methods and systems for managing telecommunications and for translating voice messages to text messages Anthony Bladon, David Giannini, Colin D. Kelley, David C. McClintock, Robert F. Smith +2 more 2017-06-20
9647978 Methods and apparatus for providing expanded telecommunications service Leland W. Kirchhoff, David S. Trandal, Colin D. Kelley, David J. Brahm, Robert F. Smith +1 more 2017-05-09
9491297 Methods and systems for managing telecommunications Leland W. Kirchhoff, David S. Trandal 2016-11-08
9413885 Methods and systems for blocking unwanted communications Leland W. Kirchhoff, Colin D. Kelley, David S. Trandal 2016-08-09
9319523 Methods and apparatus for providing expanded telecommunications service Leland W. Kirchhoff, David S. Trandal, Colin D. Kelley, David J. Brahm, Robert F. Smith +1 more 2016-04-19
9277043 Methods and systems for managing telecommunications and for translating voice messages to text messages Anthony Bladon, David Giannini, Colin D. Kelley, David C. McClintock, Robert F. Smith +2 more 2016-03-01
9258412 Enhanced service levels for call-processing services David S. Trandal, David J. Brahm, Robert F. Smith 2016-02-09
8977248 Methods and systems for managing telecommunications and for translating voice messages to text messages Anthony Bladon, David Giannini, Colin D. Kelley, David C. McClintock, Robert F. Smith +2 more 2015-03-10
8958782 Methods and systems for blocking unwanted communications Leland W. Kirchhoff, Colin D. Kelley, David S. Trandal 2015-02-17
8929258 Enhanced service levels for call-processing services David S. Trandal, David J. Brahm, Robert F. Smith 2015-01-06
8891753 Methods and apparatus for providing expanded telecommunications service Leland W. Kirchhoff, David S. Trandal, Colin D. Kelley, David J. Brahm, Robert F. Smith +1 more 2014-11-18
8774785 Methods and systems for blocking unwanted communications Leland W. Kirchhoff, Colin D. Kelley, David S. Trandal 2014-07-08
8750469 Methods and systems for call processing Adrian Van Haaften, David Giannini, Eric T. Johnson, David S. Trandal, Robert J. Duva +2 more 2014-06-10
8688092 Methods and systems for managing telecommunications and for translating voice messages to text messages Anthony Bladon, David Giannini, Colin D. Kelley, David C. McClintock, Robert F. Smith +2 more 2014-04-01
8670536 Enhanced service levels for call-processing services David S. Trandal, David J. Brahm, Bob F. Smith 2014-03-11
8594287 Methods and apparatus for providing expanded telecommunications service Robert A. Dolan, Lee Kirchhoff 2013-11-26
8548447 Methods and systems for blocking unwanted telecommunications Leland W. Kirchhoff, Colin D. Kelley, David S. Trandal 2013-10-01
8526582 Methods and systems for managing telecommunications Leland W. Kirchhoff, David S. Trandal 2013-09-03
8472592 Methods and systems for call processing Adrian Van Haaften, David Giannini, Eric T. Johnson, David S. Trandal, Robert J. Duva +2 more 2013-06-25
8447285 Methods and systems for managing telecommunications and for translating voice messages to text messages Anthony Bladon, David Giannini, Colin D. Kelley, David C. McClintock, Robert F. Smith +2 more 2013-05-21
8400664 Facsimile telecommunications system and method David S. Trandal, David J. Brahm, Leland W. Kirchhoff, Robert A. Dolan 2013-03-19
8401164 Methods and apparatus for providing expanded telecommunications service Robert A. Dolan 2013-03-19
8351591 Methods and apparatus for providing expanded telecommunications service Leland W. Kirchhoff, David S. Trandal, Colin D. Kelley, David J. Brahm, Robert F. Smith +1 more 2013-01-08