RC

Robert A. Checchio

AT AT&T: 3 patents #5,550 of 18,772Top 30%
Overall (All Time): #1,626,375 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6052675 Method and apparatus for preauthorizing credit card type transactions 2000-04-18
6023682 Method and apparatus for credit card purchase authorization utilizing a comparison of a purchase token with test information 2000-02-08
5912951 Voice mail system with multi-retrieval mailboxes Steven T. Kaish, Nancy A. Kowalsky, Margaret H. Redberg, Gregory C. Sheehan 1999-06-15