RC

Robert Thomas Calabrese

AT AT&T: 3 patents #88 of 1,668Top 6%
📍 Naperville, IL: #17 of 272 inventorsTop 7%
🗺 Illinois: #308 of 5,836 inventorsTop 6%
Overall (2002): #22,143 of 266,432Top 9%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6393289 Apparatus, method and system for wireless telecommunication session control by an adjunct network entity Roger L. Bunting, Jason Christopher Byrne, Harold Robert Smith, Jr. 2002-05-21
6389279 Method and apparatus providing call redirection for subsequent call events in a telephone communications system Robin Jeffrey Thompson, Jeffrey Arthur Zahnle, Robert John Zurawski 2002-05-14
6343215 ANSI 41 dialed number validation Thomas Edward Hudepohl, Todd C. Morgan 2002-01-29