| 6515971 |
Method and apparatus to enable background scanning |
Douglas I. Ayerst |
2003-02-04 |
| 6108544 |
Method and apparatus for partial coverage zone selective call communication |
Jheroen Dorenbosch, Douglas I. Ayerst |
2000-08-22 |
| 5923266 |
Method for dynamically changing control frames for selective call receiving devices |
Zhonghe Wang, Kwok Keung Choi, Jyh-Han Lin, Douglas I. Ayerst, Gregory L. Cannon +2 more |
1999-07-13 |
| 5919549 |
Abrasive articles and method for the manufacture of same |
Loc X. Van, Eugene J. Miller |
1999-07-06 |
| 5878035 |
Method and apparatus for mixing protocols in a radio messaging system |
Zhonghe Wang, Kwok Keung Choi, Jyh-Han Lin, Douglas I. Ayerst, Gregory L. Cannon +2 more |
1999-03-02 |
| 5740534 |
Method for determining available frequencies in selective call receivers |
Douglas I. Ayerst, Malik Khan, Morris A. Moore, Kwok Keung Choi |
1998-04-14 |
| 5535428 |
Method and apparatus for selectively retaining messages received by a radio receiver based upon message content |
Gerald R. King, Robert D. Lloyd |
1996-07-09 |
| 5508695 |
Method and apparatus for identifying messages associated with a sports team in a communication system |
Gerald R. King, Thomas F. Holmes |
1996-04-16 |
| 5371737 |
Selective call receiver for receiving a multiphase multiplexed signal |
Robert J. Schwendeman, Michael J. DeLuca, David F. Willard, Jerry L. Sandvos, William V. Braun |
1994-12-06 |
| 5355126 |
Selective call system interactive with a wide area selective call system |
Darrell A. Pfeffer, James A. Wright |
1994-10-11 |
| 5347268 |
Data handler for handling data having multiple data formats |
Robert K. Lockhart, Jr. |
1994-09-13 |
| 5309154 |
Selective call receiver with a universal synchronization code operating mode |
Kyung T. Mun, Charles J. Ganucheau, Jr. |
1994-05-03 |
| 5273558 |
Abrasive composition and articles incorporating same |
Loc X. Van |
1993-12-28 |
| 5274579 |
Digital tone detector |
Karen S. Schmoll |
1993-12-28 |
| 5168493 |
Time division multiplexed selective call system |
Robert J. Schwendeman, Michael J. DeLuca, David F. Willard, Jerry L. Sandvos, William V. Braun |
1992-12-01 |
| 4951044 |
Paging terminal apparatus with user selectable page forwarding capability and methodology therefor |
Philip P. Macnak |
1990-08-21 |
| 4928096 |
Paging terminal apparatus with message storage and retransmission capability and method therefor |
Victoria A. Leonardo |
1990-05-22 |
| 4885577 |
Paging system for providing a data message and a voice message to a unique address of a paging receiver |
— |
1989-12-05 |
| 4868563 |
Microcomputer controlled display backlight |
Mark T. Stair |
1989-09-19 |
| 4814763 |
Paging terminal apparatus with page forwarding capability and methodology thereof |
Victoria A. Leonardo, Walter J. Grandfield |
1989-03-21 |
| 4756010 |
Asynchronous/synchronous data receiver circuit |
Charles Mellone |
1988-07-05 |
| 4590618 |
Receiver having reference voltage stabilization circuitry |
Michael C. Heath |
1986-05-20 |
| 4331453 |
Abrasive article |
Donald E. Dau |
1982-05-25 |
