Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146473 | Subscriber unit for wireless digital subscriber communication system | David N. Critchlow, Moshe Yehushua, Wade L. Heimbigner, Karle J. Johnson | 1992-09-08 |
| 5121391 | Subscriber RF telephone system for providing multiple speech and/or data singals simultaneously over either a single or a plurality of RF channels | Eric Paneth, Mark J. Handzel, Steven A. Morley | 1992-06-09 |
| 5119375 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Eric Paneth, Mark J. Handzel, Steven A. Morley | 1992-06-02 |
| 5101418 | Digital time-multiplexed quadrature frequency upconverter | David N. Critchlow, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling +2 more | 1992-03-31 |
| 5067141 | Interpolator for varying a signal sampling rate | David N. Critchlow, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling +2 more | 1991-11-19 |
| 5022024 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Eric Paneth, Mark J. Handzel, Steven A. Morley | 1991-06-04 |
| 5008900 | Subscriber unit for wireless digital subscriber communication system | David N. Critchlow, Moshe Yehushua, Wade L. Heimbigner, Karle J. Johnson, George Alan Wiley | 1991-04-16 |
| 4996697 | Deglitching means for digital communication systems | David N. Critchlow, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling +2 more | 1991-02-26 |
| 4994802 | Subscriber unit for wireless digital telephone system | David N. Critchlow, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling +2 more | 1991-02-19 |
| 4912705 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Eric Paneth, Mark J. Handzel, Steven A. Morley | 1990-03-27 |
| 4893317 | Digital signals and frequency correction in a digital wireless system | David N. Critchlow, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling +2 more | 1990-01-09 |
| 4881240 | AM equalizer circuit for digital systems | David N. Critchlow, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling +2 more | 1989-11-14 |
| 4825448 | Subscriber unit for wireless digital telephone system | David N. Critchlow, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling | 1989-04-25 |
| 4817089 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Eric Paneth, Mark J. Handzel, Steven A. Morley | 1989-03-28 |
| 4811420 | Initialization of communication channel between a subsciber station and a base station in a subscriber communication system | Thomas E. Fletcher, Gregory T. Saffee | 1989-03-07 |
| 4779262 | Connection of subscriber communication network base station to external information network | Terrance S. Collins, Martin Schroeder, Brian Kiernan, Jonathan W. Mechling | 1988-10-18 |
| 4675863 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Eric Paneth, Mark J. Handzel, Steven A. Morley | 1987-06-23 |