Inventor · disambiguated record
Robert W. Petrunka
Also filed as: PETRUNKA ROBERT W
9 granted patents·579 citations·filing 1997–2013
92Inventor score
Files withNORTEL NETWORKS CORP3NORTEL NETWORKS LTD2NORTHERN TELECOM LTD2HEWLETT PACKARD DEVELOPMENT CO1PETRUNKA ROBERT W1
Top patents by PatentIndex Score
9 records- 0190US7386110B2Directory assistance utilizing a personalized cacheHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jun 10, 2008·78 cites·25 claims
- 0289US6122364AInternet network call centerNORTEL NETWORKS CORP·Filed 1997·Granted Sep 19, 2000·183 cites·23 claims
- 0389US5987116ACall center integration with operator services databasesNORTHERN TELECOM LTD·Filed 1997·Granted Nov 16, 1999·101 cites·10 claims
- 0479US5987115ASystems and methods for servicing calls by service agents connected via standard telephone linesNORTHERN TELECOM LTD·Filed 1997·Granted Nov 16, 1999·67 cites·9 claims
- 0578US6018579ACall center services for local calls using local number portabilityNORTEL NETWORKS CORP·Filed 1997·Granted Jan 25, 2000·64 cites·29 claims
- 0669US6298127B1Call transfer and conference with separate billing records per legNORTEL NETWORKS LTD·Filed 1998·Granted Oct 2, 2001·51 cites·62 claims
- 0767US8737973B1Enhanced voice calling using smart phone servicesPETRUNKA ROBERT W·Filed 2013·Granted May 27, 2014·3 cites·12 claims
- 0853US5991369ASystem and method for message delivery for non-published directory numbers to voice mail boxesNORTEL NETWORKS CORP·Filed 1997·Granted Nov 23, 1999·24 cites·23 claims
- 0939US6584193B1System, method, and computer program product for network telephone queuingNORTEL NETWORKS LTD·Filed 1999·Granted Jun 24, 2003·8 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →