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Patent applications and USPTO patent grants for Harned; Dan B..The latest application filed is for "prepaid security cellular telecommunications system".
Patent | Date |
---|---|
Prepaid Security Cellular Telecommunications System App 20100009654 - Fougnies; Douglas V. ;   et al. | 2010-01-14 |
Prepaid security cellular telecommunications system App 20070243856 - Fougnies; Douglas V. ;   et al. | 2007-10-18 |
Prepaid security cellular telecommunications system App 20010021648 - Fougnies, Douglas V. ;   et al. | 2001-09-13 |
Prepaid security cellular telecommunications system Grant 6,236,851 - Fougnies , et al. May 22, 2 | 2001-05-22 |
Prepaid security cellular telecommunications system Grant 5,854,975 - Fougnies , et al. December 29, 1 | 1998-12-29 |
Security cellular telecommunications system Grant 5,722,067 - Fougnies , et al. February 24, 1 | 1998-02-24 |
Ripple free amplitude demodulator Grant 4,426,623 - Wilkens , et al. January 17, 1 | 1984-01-17 |
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