SE

Sandra J. K. Earlam

IM International Mobile Machines: 10 patents #6 of 36Top 20%
IT Interdigital Technology: 1 patents #257 of 338Top 80%
📍 San Diego, CA: #3,910 of 23,606 inventorsTop 20%
🗺 California: #55,401 of 386,348 inventorsTop 15%
Overall (All Time): #473,767 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5842137 Subscriber unit for wireless digital telephone system David N. Critchlow, Graham M. Avis, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling +2 more 1998-11-24
5177741 Subscriber unit for wireless digital telephone system David N. Critchlow, Graham Avis, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling +2 more 1993-01-05
5168507 Automatic adaptive equalizer David N. Critchlow, Graham M. Avis, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling +2 more 1992-12-01
5159705 Frequency synthesizer circuit David N. Critchlow, Graham M. Avis, Karle J. Johnson, Bruce A. Smetana 1992-10-27
5101418 Digital time-multiplexed quadrature frequency upconverter David N. Critchlow, Graham M. Avis, 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, Graham M. Avis, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling +2 more 1991-11-19
4996697 Deglitching means for digital communication systems David N. Critchlow, Graham M. Avis, 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, Graham M. Avis, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling +2 more 1991-02-19
4893317 Digital signals and frequency correction in a digital wireless system David N. Critchlow, Graham M. Avis, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling +2 more 1990-01-09
4881240 AM equalizer circuit for digital systems David N. Critchlow, Graham M. Avis, 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, Graham M. Avis, Karle J. Johnson, Bruce A. Smetana, Gregory L. Westling 1989-04-25