Kruger; Johan Dawid

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kruger; Johan Dawid.The latest application filed is for "authentication of radio frequency transponders".

Company Profile

0.8.3

Kruger; Johan Dawid - Gauteng ZA
Kruger; Johan Dawid - Witkoppen Gauteng

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Electronic identification system and method with source authenticity Grant RE44,220 - Turner , et al. May 14, 2	2013-05-14
Electronic identification system and method with source authenticity Grant 7,228,433 - Turner , et al. June 5, 2	2007-06-05
Authentication of radio frequency transponders App 20060259772 - Kruger; Johan Dawid ; et al.	2006-11-16
Electronic identification system and method with source authenticity App 20060075233 - Turner; Christopher Gordon Gervase ; et al.	2006-04-06
Electronic identification system and method with source authenticity Grant 6,954,533 - Turner , et al. October 11, 2	2005-10-11
Electronic identification system and method with source authenticity App 20040196980 - Turner, Christopher Gordon Gervase ; et al.	2004-10-07
Electronic identification system and method with source authenticity verification Grant 6,724,895 - Turner , et al. April 20, 2	2004-04-20
Electronic identification system Grant 6,480,143 - Kruger , et al. November 12, 2	2002-11-12
Reader arrangement for an electronic identification system having a plurality of reader heads for energizing transponders Grant 6,367,697 - Turner , et al. April 9, 2	2002-04-09
Load monitoring system and method utilizing transponder tags Grant 6,236,911 - Kruger May 22, 2	2001-05-22
Delayed reset mode model for electronic identification systems Grant 6,198,381 - Turner , et al. March 6, 2	2001-03-06

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