DC

David Landis Campbell

AM AMD: 8 patents #1,491 of 9,279Top 20%
IT Integrated Device Technology: 7 patents #83 of 758Top 15%
Overall (All Time): #193,326 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11697937 Heat sensitive protective barrier and a method for its use 2023-07-11
10538928 Protective barrier comprising a seam having an integrated dustcover system and a method for its use 2020-01-21
10315850 Proppant conveyor systems and methods of use Shane Campbell, Brent Arcand 2019-06-11
10252090 Heat sensitive protective barrier and a method for its use 2019-04-09
9550083 Protective barrier and a method for its use 2017-01-24
9121171 Protective barrier and a method for its use 2015-09-01
8505252 Protective barrier and method for its use 2013-08-13
RE36907 Leadframe with power and ground planes Thomas H. Templeton, Jr., Christopher P. Wyland 2000-10-10
5656970 Method and structure for selectively coupling a resistive element, a bulk potential control circuit and a gate control circuit to an output driver circuit James Fox 1997-08-12
5594361 Logic gate with controllable hysteresis and high frequency voltage controlled oscillator 1997-01-14
5546033 Output driver circuits with enhanced supply-line bounce control and improved VOH characteristic James Fox 1996-08-13
5459437 Logic gate with controllable hysteresis and high frequency voltage controlled oscillator 1995-10-17
5457340 Leadframe with power and ground planes Thomas H. Templeton, Jr., Christopher P. Wyland 1995-10-10
5430404 Output driver circuits with enhanced supply-line bounce control and improved V.sub.OH characteristic James Fox 1995-07-04
5184129 Switchable DAC with current surge protection Jimmy Fung, Jiu An, Steven Shyu 1993-02-02
5107465 Asynchronous/synchronous pipeline dual mode memory access circuit and method Jimmy Fung, Jiu An, Steven Shyu 1992-04-21
5023614 Switchable DAC with current surge protection Jimmy Fung, Jiu An, Steven Shyu 1991-06-11
4945260 Temperature and supply compensated ECL bandgap reference voltage generator Kanoosh Naghshineh 1990-07-31
4734596 Detection of direct current in the presence of manchester-encoded signals Ravindra D. Tembhekar 1988-03-29
4716381 High-current operational amplifier 1987-12-29
4591737 Master-slave multivibrator with improved metastable response characteristic 1986-05-27
4565976 Interruptable voltage-controlled oscillator and phase-locked loop using same 1986-01-21