Patents per Year
Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7676674 | Method for authenticating electronic documents | Estelle Ross | 2010-03-09 |
| 6963971 | Method for authenticating electronic documents | Estelle Ross, Peter Preus | 2005-11-08 |
| 5265162 | Portable pin card | Estelle Ross, Robert Belfield | 1993-11-23 |
| 5245658 | Domain-based encryption | Estelle Ross | 1993-09-14 |
| 5130519 | Portable pin card | Estelle Ross, Robert Belfield | 1992-07-14 |
| 4785433 | Pet watch process and circuit | Estelle Ross | 1988-11-15 |
| D294298 | Bronchodilator tee | — | 1988-02-16 |
| 4274409 | Dispensing of fluent materials | — | 1981-06-23 |
| 4273260 | Dispensing of fluent materials | — | 1981-06-16 |
| 4263909 | Dispensing of fluent materials | — | 1981-04-28 |