Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5943624 | Contactless smartcard for use in cellular telephone | Thomas M. Fox, Kenneth Schmidt | 1999-08-24 |
| 5926756 | Method and system for programming a cellular phone | Marc Alan Newman, William Chunhung Yip, James B. Piket | 1999-07-20 |
| 5777903 | Solar cell powered smart card with integrated display and interface keypad | Thomas M. Fox, Kenneth Schmidt | 1998-07-07 |
| 5664113 | Working asset management system and method | William R. Worger, Roman Casimir Lopatynski, Steven Peter Allen | 1997-09-02 |
| 5406630 | Tamperproof arrangement for an integrated circuit device | David M. Harrison, Ronald V. Chandos | 1995-04-11 |
| 5389738 | Tamperproof arrangement for an integrated circuit device | David M. Harrison, Ronald V. Chandos | 1995-02-14 |
| 5359444 | Auto-focusing optical apparatus | Peter J. Leahy | 1994-10-25 |
| 4993068 | Unforgeable personal identification system | Ronald V. Chandos | 1991-02-12 |
| 4944008 | Electronic keying scheme for locking data | William R. Worger, Michael A. Savage | 1990-07-24 |
| 4866713 | Operational function checking method and device for microprocessors | William R. Worger | 1989-09-12 |
| 4611183 | Digital decorrelating random data generator | Barry B. Mead | 1986-09-09 |
| 4598170 | Secure microprocessor | Barry B. Mead | 1986-07-01 |
| 4593393 | Quasi parallel cyclic redundancy checker | Barry B. Mead | 1986-06-03 |
| 4395703 | Precision digital random data generator | — | 1983-07-26 |