David C. Brady has been granted 10 US patents while listed as an inventor at AT&T . The first was granted in 1999 and the most recent in October 2004. David C. Brady ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David C. Brady in Windermere, FL, US.
Patents per Year Patents granted per year, 1999 to 2004 Bar chart with a peak of 2 patents in 1999. peak 2 1999: 2 patents 1999 2000: 2 patents 2000 2001: 2 patents 2001 2002: 1 patents 2002 2003: 2 patents 2003 2004: 1 patents 2004
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6800255 System and method for the abatement of toxic constituents of effluent gases Steven M. Browne , James L. Flack , Mark Mitchell 2004-10-05
6670242 Method for making an integrated circuit device including a graded, grown, high quality gate oxide layer and a nitride layer Yi Ma , Pradip K. Roy 2003-12-30
6548422 Method and structure for oxide/silicon nitride interface substructure improvements Pradip K. Roy , Carlos M. Chacon 2003-04-15
6380606 Locos isolation process using a layered pad nitride and dry field oxidation stack and semiconductor device employing the same Isik C. Kizilyalli , Pradip K. Roy , Hem M. Vaidya 2002-04-30
$8,766,000
6281138 System and method for forming a uniform thin gate oxide layer Isik C. Kizilyalli , Yi Ma , Pradip K. Roy 2001-08-28
$4,758,000
6246095 System and method for forming a uniform thin gate oxide layer Yi Ma , Pradip K. Roy 2001-06-12
$14,101,000
6090686 Locos isolation process using a layered pad nitride and dry field oxidation stack and semiconductor device employing the same Isik C. Kizilyalli , Pradip K. Roy , Hem M. Vaidya 2000-07-18
$62,471,000
6025280 Use of SiD.sub.4 for deposition of ultra thin and controllable oxides Isik C. Kizilyalli , Yi Ma , Pradip K. Roy 2000-02-15
$76,279,000
5966627 In-situ doped silicon layers Yaw S. Obeng 1999-10-12
$77,421,000
5940736 Method for forming a high quality ultrathin gate oxide layer Yi Ma , Pradip K. Roy 1999-08-17
$71,558,000