Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654696 | Method for transferring auxillary data using components of a secure entry system | Martin Barrett | 1997-08-05 |
| 5602536 | Data synchronization method for use with portable, microprocessor-based device | Walter G. Henderson, Philip D. Barrett | 1997-02-11 |