DM

Douglas R. Murdock

LU Link Usa: 16 patents #1 of 13Top 8%
MC Mci Communications: 3 patents #81 of 579Top 15%
LC Level 3 Communications: 1 patents #420 of 630Top 70%
Overall (All Time): #197,774 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
8265245 Call-processing rate quote system and method Steven J. Hogan, Kristi T. Feltz, Todd A. Goodman, David J. Vercande, Michael R. Tangeman +6 more 2012-09-11
6643362 Call-processing system and method Steven J. Hogan, Kristi T. Feltz, Todd A. Goodman, David J. Vercande, Michael R. Tangeman +6 more 2003-11-04
6279038 Client interface Steven J. Hogan, Kristi T. Feltz, Todd A. Goodman, David J. Vercande, Michael R. Tangeman +6 more 2001-08-21
6263372 Method and apparatus for interfacing two or more applications in a client server Steven J. Hogan, Kristi T. Feltz, Todd A. Goodman, David J. Vercande, Michael R. Tangeman +6 more 2001-07-17
6016343 Call-processing system and method Steven J. Hogan, Kristi T. Feltz, Todd A. Goodman, David J. Vercande, Michael R. Tangeman +6 more 2000-01-18
5903637 System and method for call conferencing Steven J. Hogan, Kristi T. Feltz, Keith E. Smith 1999-05-11
5873099 System and method for maintaining redundant databases Steven J. Hogan, Kristi T. Feltz, Todd A. Goodman, David J. Vercande, Michael R. Tangeman +6 more 1999-02-16
5867566 Real-time billing system for a call processing system Steven J. Hogan, Kristi T. Feltz 1999-02-02
5854833 Processing using DEF records Steven J. Hogan, Kristi T. Feltz, David J. Vercande, Michael R. Tangeman 1998-12-29
5799156 System for determining an alternative application to receive message from first application when the number of times to resend the message to second application is exceeded Steven J. Hogan, Kristi T. Feltz, Todd A. Goodman, David J. Vercande, Eric Busch 1998-08-25
5646982 System and method for message delivery Steven J. Hogan, Kristi T. Feltz, Roy Allen Rhodes, Keith E. Smith, Todd A. Goodman 1997-07-08
5638430 Call validation system Steven J. Hogan, Kristi T. Feltz, David J. Vercande, Michael R. Tangeman, Eric Busch 1997-06-10
5633919 Real-time billing system for a call processing system Steven J. Hogan, Kristi T. Feltz, Eric Busch 1997-05-27
5619554 Distributed voice system and method Steven J. Hogan, Kristi T. Feltz, David J. Vercande, Roy Allen Rhodes 1997-04-08
5615251 Real-time reconfiguration Steven J. Hogan, Kristi T. Feltz, Eric Busch 1997-03-25
5590181 Call-processing system and method Steven J. Hogan, Kristi T. Feltz, Todd A. Goodman, David J. Vercande, Michael R. Tangeman +6 more 1996-12-31
5586175 Call-processing system and method Steven J. Hogan, Kristi T. Feltz, Todd A. Goodman, David J. Vercande, Michael R. Tangeman +6 more 1996-12-17
5555290 Long distance telephone switching system with enhanced subscriber services Clark E. McLeod, Steven J. Hogan, Kristi T. Feltz, Van E. Hanson 1996-09-10
5550899 Long distance telephone switching system with enhanced subscriber services Clark E. McLeod, Steven J. Hogan, Kristi T. Feltz, Van E. Hanson 1996-08-27
5546449 System and method for call conferencing Steven J. Hogan, Kristi T. Feltz, Keith E. Smith 1996-08-13
5483587 System and method for call conferencing Steven J. Hogan, Kristi T. Feltz, Keith E. Smith 1996-01-09
5222120 Long distance telephone switching system with enhanced subscriber services Clark E. McLeod, Steven J. Hogan, Kristi T. Feltz, Van E. Hanson 1993-06-22