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 26–40 of 40 patents

Patent #TitleCo-InventorsDate
8325901 Methods and apparatus for providing expanded telecommunications service Robert A. Dolan, Robert F. Smith, David S. Trandal 2012-12-04
8325886 Methods and systems for managing telecommunications Leland W. Kirchhoff, David S. Trandal 2012-12-04
8214338 Methods and systems for media storage Leland W. Kirchhoff, David S. Trandal 2012-07-03
8165278 Enhanced service levels for call-processing services David S. Trandal, David J. Brahm, Bob F. Smith 2012-04-24
8081337 Facsimile telecommunications system and method David S. Trandal, David J. Brahm, Leland W. Kirchhoff, Robert A. Dolan 2011-12-20
8000455 Methods and systems for call processing Adrian Van Haaften, David Giannini, Eric T. Johnson, David S. Trandal, Robert J. Duva +2 more 2011-08-16
7869076 Facsimile telecommunications system and method David S. Trandal, David J. Brahm, Leland W. Kirchhoff, Robert A. Dolan 2011-01-11
7822188 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 2010-10-26
7742586 Enhanced service levels for call-processing services David S. Trandal, David J. Brahm, Bob F. Smith 2010-06-22
7688958 Methods and apparatus for providing expanded telecommunications service Robert A. Dolan, Lee Kirchhoff 2010-03-30
7555110 Methods and apparatus for providing expanded telecommunications service Robert A. Dolan, Robert F. Smith, David S. Trandal 2009-06-30
7480065 Facsimile telecommunications system and method David S. Trandal, David J. Brahm, Leland W. Kirchhoff, Robert A. Dolan 2009-01-20
7397910 Method and apparatus for providing expanded telecommunications service Robert A. Dolan 2008-07-08
6898275 Method and apparatus for providing expanded telecommunications service Robert A. Dolan 2005-05-24
6477246 Method and apparatus for providing expanded telecommunications service Robert A. Dolan 2002-11-05