Petrunka; Robert W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Petrunka; Robert W..The latest application filed is for "directory assistance".

Company Profile

0.9.1

Petrunka; Robert W. - Raleigh NC US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Enhanced voice calling using smart phone services Grant 8,737,973 - Petrunka May 27, 2	2014-05-27
Directory assistance utilizing a personalized cache Grant 7,386,110 - Petrunka , et al. June 10, 2	2008-06-10
Directory assistance App 20050036601 - Petrunka, Robert W. ; et al.	2005-02-17
System, method, and computer program product for network telephone queuing Grant 6,584,193 - Petrunka June 24, 2	2003-06-24
Call transfer and conference with separate billing records per leg Grant 6,298,127 - Petrunka October 2, 2	2001-10-02
Internet network call center Grant 6,122,364 - Petrunka , et al. September 19, 2	2000-09-19
Call center services for local calls using local number portability Grant 6,018,579 - Petrunka January 25, 2	2000-01-25
Call center integration with operator services databases Grant 5,987,116 - Petrunka , et al. November 16, 1	1999-11-16
Systems and methods for servicing calls by service agents connected via standard telephone lines Grant 5,987,115 - Petrunka , et al. November 16, 1	1999-11-16

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.