Robert W Petrunka

Inventor

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Work History

Patent OwnerApplications FiledYear
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
2
2003
AVAYA INC.
2
1
1997
1998
VOLT DELTA RESOURCES LLC
1
1997
ROCKSTAR CONSORTIUM US LP
2
1
1997
1999

Inventor Addresses

AddressDuration
Raleigh, NCNov 16, 99 - Jun 10, 08
Raleigh, NC, USFeb 17, 05 - May 27, 14

Technology Profile

Technology # of Patents
H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1
H04M: TELEPHONIC COMMUNICATION 9

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
8,737,9732014Enhanced voice calling using smart phone services0
7,386,1102008Directory assistance utilizing a personalized cache0
2005/0036,6012005Directory assistance1
6,584,1932003System, method, and computer program product for network telephone queuing2
6,298,1272001Call transfer and conference with separate billing records per leg28

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