Doug Gisby

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Lincolnshire, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Call overflow system and method for overflowing telephone calls bet...
- Patent number 6,246,759
- Issue date Jun 12, 2001
- Rockwell International Corporation
- Daniel L. Greene
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephonic switching system, telephonic switch and method for servi...
- Patent number 6,028,925
- Issue date Feb 22, 2000
- Rockwell International Corp.
- Paul E. Van Berkum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications system and interface circuit for interconnecting tel...
- Patent number 5,923,747
- Issue date Jul 13, 1999
- Rockwell International Corp.
- Paul E. Van Berkum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Agent speech detector system and method for use with a telephonic s...
- Patent number 5,818,909
- Issue date Oct 6, 1998
- Paul E. Van Berkum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE