CC

Charles David Caldwell

AT AT&T: 11 patents #1,608 of 18,772Top 9%
Overall (All Time): #462,266 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9361888 Method and device for providing speech-to-text encoding and telephony service John Bruce Harlow, Robert Sayko, Norman Shaye 2016-06-07
8489397 Method and device for providing speech-to-text encoding and telephony service John Bruce Harlow, Robert Sayko, Norman Shaye 2013-07-16
8265931 Method and device for providing speech-to-text encoding and telephony service John Bruce Harlow, Robert Sayko, Norman Shaye 2012-09-11
8019686 Method and system for allowing simultaneous usage of prepaid services Thomas Michael Bauer, Walter H. Hawkins, Robert Sayko, Blake Lane Wattenbarger 2011-09-13
7627529 Method and system for allowing simultaneous usage of prepaid services Thomas Michael Bauer, Walter H. Hawkins, Robert Sayko, Blake Lane Wattenbarger 2009-12-01
7433818 Subscriber terminal for providing speech-text encoding and telephony service John Bruce Harlow, Robert Sayko, Norman Shaye 2008-10-07
7027986 Method and device for providing speech-to-text encoding and telephony service John Bruce Harlow, Robert Sayko, Norman Shaye 2006-04-11
6687349 System and method for defining a local communication space John Bruce Harlow, Robert Sayko, Norman Shaye 2004-02-03
6418202 Spontaneous messaging service for prepaid calling card users Barry S. Seip 2002-07-09
6021432 System for processing broadcast stream comprises a human-perceptible broadcast program embedded with a plurality of human-imperceptible sets of information Theodore Sizer, II, Katherine G. August, Robert F. Henrick 2000-02-01
5671267 Interactive system for communications between a cordless telephone and a remotely operated device Katherine G. August, Anthony J. Grewe, Steven M. Herbst, Howard M. Singer, Theodore Sizer, II 1997-09-23