Frazee; Francis B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Frazee; Francis B..The latest application filed is for "transaction accounting of toll transactions in transponder systems".
- Frazee; Francis B. - Plano TX
| Patent | Date |
|---|---|
| Transaction accounting of toll transactions in transponder systems Grant 6,725,202 - Hurta , et al. April 20, 2 | 2004-04-20 |
| Transaction accounting of toll transactions in transponder systems Grant 6,317,721 - Hurta , et al. November 13, 2 | 2001-11-13 |
| Method and system for calculating a user account balance in a recognition system Grant 5,809,142 - Hurta , et al. September 15, 1 | 1998-09-15 |
| Transponder maintenance mode method Grant 5,686,920 - Hurta , et al. November 11, 1 | 1997-11-11 |
| Transponder maintenance mode method Grant 5,450,087 - Hurta , et al. September 12, 1 | 1995-09-12 |
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