Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829636 | Method and apparatus for controlling dead e-mail address scanning discovery, status retries, and other metrics to enforce e-mail quality of service | Lorin Evan Ullmann | 2004-12-07 |
| 6823368 | Method and system for E-mail sender chain history by adding a sender-chain filed to the E-mail header when forwarding a chain forwarded E-mail message to another recipient | Lorin Evan Ullmann | 2004-11-23 |
| 6775691 | Server protocol for dead e-mail identification locator | Lorin Evan Ullmann | 2004-08-10 |