DT

David S. Trandal

CC Callwave Communications: 6 patents #1 of 16Top 7%
IN Invoca: 1 patents #3 of 4Top 75%
📍 Lompoc, CA: #6 of 322 inventorsTop 2%
🗺 California: #2,124 of 60,394 inventorsTop 4%
Overall (2017): #16,258 of 506,227Top 4%
7
Patents 2017

Issued Patents 2017

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
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