Inventor · disambiguated record
David Michael Claus
Also filed as: CLAUS DAVID · CLAUS DAVID M · CLAUS DAVID MICHAEL
11 granted patents·2,296 citations·filing 1989–2014
94Inventor score
Top patents by PatentIndex Score
11 records- 0193US5461217ASecure money transfer techniques using smart cardsAT & T CORP·Filed 1994·Granted Oct 24, 1995·489 cites·9 claims
- 0291US5857079ASmart card for automatic financial recordsLUCENT TECHNOLOGIES INC·Filed 1994·Granted Jan 5, 1999·627 cites·8 claims
- 0390US8867532B2Method and system of voice carry over for instant messaging relay servicesAT & T IP I LP·Filed 2013·Granted Oct 21, 2014·18 cites·14 claims
- 0490US5120939ADatabaseless security systemAT & T BELL LAB·Filed 1989·Granted Jun 9, 1992·172 cites·24 claims
- 0589US5559313ACategorization of purchased items for each transaction by a smart cardLUCENT TECHNOLOGIES INC·Filed 1994·Granted Sep 24, 1996·302 cites·30 claims
- 0684US6421425B1Automated communications assistant for the sound-impairedAT & T CORP·Filed 1998·Granted Jul 16, 2002·158 cites·32 claims
- 0783US8294958B2Scanner system and method for scanning providing combined geometric and photometric informationPATERSON JAMES·Filed 2007·Granted Oct 23, 2012·32 cites·34 claims
- 0881US5310999ASecure toll collection system for moving vehiclesAT & T BELL LAB·Filed 1992·Granted May 10, 1994·366 cites·20 claims
- 0970USH1794HSecure money transfer techniques using hierarchical arrangement of smart cardsAT & T CORP·Filed 1997·Granted Apr 6, 1999·132 cites·8 claims
- 1059US8385329B2Method and system of voice carry over for instant messaging relay servicesAT & T IP I LP·Filed 2009·Granted Feb 26, 2013·0 cites·20 claims
- 1157US9154620B2Method and system of voice carry over for instant messaging relay servicesAT & T IP I LP·Filed 2014·Granted Oct 6, 2015·0 cites·20 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →