David Michael Claus — 11 Patents at AT&T

David Michael Claus has been granted 11 US patents while listed as an inventor at AT&T. The first was granted in 1992 and the most recent in October 2015. David Michael Claus ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list David Michael Claus in Indianapolis, IN, US.

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Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9154620	Method and system of voice carry over for instant messaging relay services	Louis Joseph Wozniak	2015-10-06	$23,002,000
8867532	Method and system of voice carry over for instant messaging relay services	Louis Joseph Wozniak	2014-10-21	$13,670,000
8385329	Method and system of voice carry over for instant messaging relay services	Louis Joseph Wozniak	2013-02-26	$16,163,000
8294958	Scanner system and method for scanning providing combined geometric and photometric information	James Paterson, Ronald Daniel, Andrew William Fitzgibbon	2012-10-23
6421425	Automated communications assistant for the sound-impaired	Burt Joseph Bossi, Douglas R. G. White	2002-07-16
H1794	Secure money transfer techniques using hierarchical arrangement of smart	—	1999-04-06
5857079	Smart card for automatic financial records	John C. Moran, Kevin D. Murphy, Wanda Green Thompson	1999-01-05	$112,327,000
5559313	Categorization of purchased items for each transaction by a smart card	Kevin D. Murphy, Wanda Green Thompson	1996-09-24	$4,175,000
5461217	Secure money transfer techniques using smart cards	—	1995-10-24
5310999	Secure toll collection system for moving vehicles	Kevin D. Murphy, Marjorie E. Taylor	1994-05-10
5120939	Databaseless security system	Roy S. Coutinho, Kevin D. Murphy, James D. Snavley, Kenneth R. Zempol	1992-06-09

David Michael Claus — 11 Patents

Patents per Year

Issued Patents All Time

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