DS

Douglas A. Spencer

AT AT&T: 10 patents #1,780 of 18,772Top 10%
HO Honeywell: 2 patents #4,946 of 14,447Top 35%
AV Avaya: 2 patents #175 of 775Top 25%
BL Bell Telephone Laboratories: 1 patents #567 of 1,445Top 40%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #277,645 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8596417 Lubrication systems with nozzle blockage detection systems Rich Barrett, Larry K. Ball, Victor Reyes, Don Rossi, Alan Tiltman +3 more 2013-12-03
8342796 Damping systems for use in engines Mohsiul Alam, Griff Kinsinger 2013-01-01
8035374 Pipe stress detection tool using magnetic barkhausen noise Bruce I. Girrell, Thomas A. Johnson, Ameet V. Joshi 2011-10-11
7180869 Comprehensive echo control system 2007-02-20
6674853 Integration of remote access and service Joel M. Ezell, John S. Helton, Norman W. Petty, Wayne A. Zakowski 2004-01-06
5982783 Switch distribution via an intermediary switching network Ernest John Frey, Norman W. Petty 1999-11-09
5862131 Hybrid time-slot and sub-time-slot operation in a time-division multiplexed system Norman W. Petty, Michael A. Smith 1999-01-19
5521903 Port system for interfacing digital PBX to digital transmission facility Michael J. English, Michel L. Hearn, David M. Kissel, Jeffrey A. Williams, Jerome J. Zelenski 1996-05-28
5305308 Wireless access telephone-to-telephone network interface architecture Michael J. English, Charles Y. Farwell, Michael Lee Hearn, Richard M. Heidebrecht, David M. Kissel +6 more 1994-04-19
5278892 Mobile telephone system call processing arrangement Brian D. Bolliger, Talmage P. Bursh, Jr., Kelvin Ho, Alan Stuart Mulberg, LaJeana N. Roberts +3 more 1994-01-11
5195090 Wireless access telephone-to-telephone network interface architecture Brian D. Bolliger, Talmage P. Bursh, Jr., Marc K. Dennison, Michael J. English, Charles Y. Farwell +14 more 1993-03-16
5195091 Adaptive synchronization arrangement Charles Y. Farwell, Michel L. Hearn, Richard M. Heidebrecht, Kelvin Ho 1993-03-16
5184347 Adaptive synchronization arrangement Charles Y. Farwell, Michel L. Hearn, Richard M. Heidebrecht, Kelvin Ho 1993-02-02
4894822 Fast packetized data delivery for digital networks Rolfe E. Buhrke, James A. Davis 1990-01-16
4510596 Time slot assignment facilities Philip Hartmann, Dwight W. Kohs, Garry V. Turnbow 1985-04-09
4488294 Establishing and supporting data traffic in private branch exchanges Tore Christensen, Gail L. Haygood, Steven Szymanski 1984-12-11
4398287 Digital switching over PAM bus system 1983-08-09