Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440559 | Portable wireless communication device | — | 1995-08-08 |
| 5416827 | Paging system with registration mode which interrupts the pager's standard operating protocol and is energized with a higher duty cycle | — | 1995-05-16 |
| 5309153 | Adaptive on-off control for radio receiver | Daniel J. Park | 1994-05-03 |
| 5301358 | Automatic antenna tuning method and apparatus | Larry H. Mukai | 1994-04-05 |
| 5266945 | Paging system with energy efficient station location | William H. Peek | 1993-11-30 |
| 5189411 | Radio signal data transmission synchronization | James K. Collar, Daniel J. Park, Carl D. Shanks, Rick T. Wells | 1993-02-23 |
| 5189413 | Scanning receiver with manual override of frequency scanning routine | Daniel J. Park | 1993-02-23 |
| 5187470 | Paging system with local channel lists | Randolph E. King | 1993-02-16 |
| 5185604 | Message indicating icon mechanism | Bruce C. Nepple, Danial J. Park | 1993-02-09 |
| 5159713 | Watch pager and wrist antenna | Daniel J. Park, Robert G. Rullman, Donald T. Rose, Joseph F. Stiley, III, Lewis W. Barnum +1 more | 1992-10-27 |
| 5136719 | Automatic antenna tubing method and apparatus | Larry H. Mukai | 1992-08-04 |
| 5065423 | Paging system with registration mode | — | 1991-11-12 |
| 4922260 | Adjustable watchband with embedded antenna | Michael W. Miles, Clifford Schrock | 1990-05-01 |
| 4897835 | High capacity protocol with multistation capability | Daniel J. Park, Norbert E. Dey, William H. Peek, Lawrence H. Ragan | 1990-01-30 |
| 4713808 | Watch pager system and communication protocol | Daniel J. Park, Robert G. Rullman, Donald T. Rose, Joseph F. Stiley, III, Lewis W. Barnum +1 more | 1987-12-15 |