Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6078821 | Cordless radiotelephone system having an extendable geographic coverage area and method therefor | Kevin D. Kaschke, John A. Kalenowsky | 2000-06-20 |
| 6006104 | Mixed mode transceiver system | Joshua P. Kiem | 1999-12-21 |
| 5889737 | Wrist carried electronic device | Rachid M. Alameh, Francis P. Malaspina | 1999-03-30 |
| 5815807 | Disposable wireless communication device adapted to prevent fraud | Rashid M. Osmani | 1998-09-29 |
| 5815820 | Transmitter having adjustable power levels responsive to the position of a movable antenna | Joshua P. Kiem, Kevin D. Kaschke, Raymond A. Jenski | 1998-09-29 |
| 5797101 | Radiotelephone subscriber unit having a generic phone number | Rashid M. Osmani | 1998-08-18 |
| 5754645 | Electronic apparatus having keyless control | Kenneth W. Bolvin | 1998-05-19 |
| 5497382 | Extended error correction of a transmitted data message | Stephen N. Levine | 1996-03-05 |
| 5463646 | Method for error correction of a transmitted data word | Thomas M. Dillon, Robert K. Krolopp | 1995-10-31 |
| 5249302 | Mixed-mode transceiver system | Joshua P. Kiem | 1993-09-28 |
| 5241548 | Method for error correction of a transmitted data word | Thomas M. Dillon, Robert K. Krolopp | 1993-08-31 |
| 5237257 | Method and apparatus for determining battery type and modifying operating characteristics | Robert Michael Johnson | 1993-08-17 |
| 5187640 | Capacitive power supply | Rolland R. Hackbart | 1993-02-16 |
| 5175759 | Communications device with movable element control interface | Robert K. Krolopp | 1992-12-29 |
| 5164652 | Method and apparatus for determining battery type and modifying operating characteristics | Robert Michael Johnson | 1992-11-17 |
| 5148471 | Communications device with voice recognition and movable element control interface | Robert K. Krolopp | 1992-09-15 |
| 5121288 | Capacitive power supply | Rolland R. Hackbart | 1992-06-09 |
| 5117449 | Dual receiver apparatus for integrated paging and radiotelephone functions | Stephen V. Cahill | 1992-05-26 |
| 5107487 | Power control of a direct sequence CDMA radio | Richard J. Vilmur | 1992-04-21 |
| 5045824 | Dielectric filter construction | — | 1991-09-03 |
| 5036532 | Portable telephone with power source/mode change during calls | Thomas J. Walczak, Robert K. Krolopp | 1991-07-30 |
| 5029233 | Radio arrangement having two radios sharing circuitry | — | 1991-07-02 |
| 4845772 | Portable radiotelephone with control switch disabling | Scott Davis, P. J. Gargulak | 1989-07-04 |
| 4798975 | High noise immunity input level detector with hysteresis | Thomas J. Walczak | 1989-01-17 |