Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6014441 | Method and system for generation of tone signals over a transmission channel | — | 2000-01-11 |
| 5949874 | Method and system for compensating for signal deviations in tone signals over a transmission channel | — | 1999-09-07 |
| 5907597 | Method and system for the secure communication of data | — | 1999-05-25 |
| 5825871 | Information storage device for storing personal identification information | — | 1998-10-20 |
| 5818930 | Auto-dialer housing | — | 1998-10-06 |
| 5745555 | System and method using personal identification numbers and associated prompts for controlling unauthorized use of a security device and unauthorized access to a resource | — | 1998-04-28 |
| 5732133 | System and method for selecting and generating telephone access numbers for limiting access to a telephone service | — | 1998-03-24 |
| 5583933 | Method and apparatus for the secure communication of data | — | 1996-12-10 |
| D321279 | Storage unit for audio tapes, compact disks, video tapes or similar articles | — | 1991-11-05 |
| D310907 | Headband radio | — | 1990-10-02 |
| D296695 | Radio | Paul F. Siegel | 1988-07-12 |
| D292925 | Radio | Paul F. Siegel | 1987-11-24 |
| D290459 | Combined tape cassette player and radio | — | 1987-06-23 |
| 4660793 | Appliance mounting apparatus | — | 1987-04-28 |
| D288299 | Timer | — | 1987-02-17 |
| D277098 | Radio | — | 1985-01-08 |