DB

David Bartholomew

PH Phonex: 4 patents #3 of 8Top 40%
PB Phonex Broadband: 2 patents #3 of 12Top 25%
PH Phoenix: 1 patents #71 of 153Top 50%
Overall (All Time): #164,264 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9785806 Low-frequency receiving for radio frequency identification Gus Ryan German, Ryan Smith, Caleb Chamberlain 2017-10-10
7948395 Downhole transmission system comprising a coaxial capacitor David R. Hall, David Pixton, Monte Johnson, H. Tracy Hall, Jr., Michael Rawle 2011-05-24
7810125 Method and system for a low cost wireless telephone link for a set top box Scott Smith, Alan Stettler 2010-10-05
7649473 Physically segmented logical token network Monte Johnson 2010-01-19
7586934 Apparatus for fixing latency David R. Hall, Justin Moon, Roger O. Koehler 2009-09-08
7570175 Node discovery in physically segmented logical token network Monte Johnson, Mark Stillings 2009-08-04
7548068 System for testing properties of a network Michael Rawle, Marshall Soares 2009-06-16
7288857 Self-latching power supply apparatus Greg Perkins 2007-10-30
7277026 Downhole component with multiple transmission elements David R. Hall, Joe Fox 2007-10-02
7275597 Remote power management method and system in a downhole network David R. Hall, Roger O. Koehler 2007-10-02
7274304 System for loading executable code into volatile memory in a downhole tool David R. Hall, Monte Johnson 2007-09-25
7253671 Apparatus and method for compensating for clock drift in downhole drilling components David R. Hall, David Pixton, Monte Johnson, H. Tracy Hall, Jr. 2007-08-07
7207396 Method and apparatus of assessing down-hole drilling conditions David R. Hall, David Pixton, Monte Johnson, Joe Fox 2007-04-24
7193527 Swivel assembly David R. Hall, David Pixton, Michael Briscoe, Kline Bradford, Michael Rawle +1 more 2007-03-20
7142129 Method and system for downhole clock synchronization David R. Hall, Monte Johnson, Justin Moon, Roger O. Koehler 2006-11-28
7135933 System for adjusting frequency of electrical output pulses derived from an oscillator 2006-11-14
7132904 Apparatus for reducing noise David R. Hall, Michael Rawle 2006-11-07
7123160 Method for triggering an action David R. Hall, Monte Johnson, Justin Moon, Roger O. Koehler 2006-10-17
6567474 Digital wireless phone/modem jack capable of communications over the power lines using differential binary phase shift keying (DBPSK) Scott R. Bullock, Scott Smith 2003-05-20
6456192 Method and system for power line null detection and automatic frequency and gain control Scott R. Bullock, Ryan Hoobler 2002-09-24
6107912 Wireless modem jack Scott R. Bullock, John M. Knab, Gordon E. Smith 2000-08-22
5911119 Secure cordless telephone extension system and method Scott R. Bullock, John M. Knab 1999-06-08
5852785 Secure access telephone extension system and method in a cordless telephone system A. Ray Ivie, Alma K. Schurig 1998-12-22
5530737 Secure access telephone extension system and method A. Ray Ivie, Alma K. Schurig 1996-06-25
5319634 Multiple access telephone extension systems and methods A. Ray Ivie, Alma K. Schurig 1994-06-07