Pfrenzinger; Steven
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pfrenzinger; Steven.The latest application filed is for "certified email messages and attachments".
- Pfrenzinger; Steven - Palm Desert CA
- Pfrenzinger; Steven - Palin Desert CA
| Patent | Date |
|---|---|
| Certified email messages and attachments Grant 8,949,347 - Errico , et al. February 3, 2 | 2015-02-03 |
| Secure message and file delivery Grant 8,510,557 - Errico , et al. August 13, 2 | 2013-08-13 |
| Certified Email Messages And Attachments App 20110276638 - Errico; Stephen ; et al. | 2011-11-10 |
| Secure Message And File Delivery App 20110167271 - Errico; Stephen ; et al. | 2011-07-07 |
| Method to record and authenticate a participant's biometric identification of an event via a network App 20090021349 - Errico; Stephen ; et al. | 2009-01-22 |
| Method to improve the integrity of internet programs, websites and software App 20070157321 - Errico; Stephen ; et al. | 2007-07-05 |
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