DC

David E. Christian

CL Cb Labs: 6 patents #1 of 1Top 100%
GE Gentex: 3 patents #212 of 567Top 40%
BU Burroughs: 2 patents #155 of 604Top 30%
AE American Lithium Energy: 1 patents #4 of 6Top 70%
Overall (All Time): #282,194 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12218384 Extended life battery cell Jiang Fan, Gerardo Jimenez 2025-02-04
12211471 DC power control devices with electrically isolated outputs Paul E. Christian 2025-01-28
11705097 Battery powered devices with electrically isolated outputs Paul E. Christian 2023-07-18
11423761 Connected monitoring system Thomas S. Wright, Brian G. Brackenbury, Steven L. Geerlings, Darin D. Tuttle, Shane M. Courbier 2022-08-23
10962493 Nanofiber smoke detection calibration David J. Cammenga, Kurtis L. Geerlings, Joel C. Nemes, William L. Tonar, Darin D. Tuttle +1 more 2021-03-30
10706828 Power plate pedal board for musical instrument electronics Paul E. Christian 2020-07-07
9607494 Supervised interconnect smoke alarm system and method of using same Greg R. Pattok, Darin D. Tuttle, Scott R. Edwards, David L. Newhouse 2017-03-28
6938533 Blast attenuation container Steven W. Holland 2005-09-06
D340455 Portable musical instrument amplifier with a movable plug 1993-10-19
5124668 System for creating distortion in electric musical instruments 1992-06-23
5018204 Portable musical instrument amplifier 1991-05-21
5008634 System for controlling the dynamic range of electric musical instruments 1991-04-16
4944016 Portable musical instrument amplifier 1990-07-24
4899115 System for controlling the dynamic range of electric musical instruments 1990-02-06
4575201 Method and apparatus for producing folded optical path devices C. Eugene McGraw, Robert Gazzero 1986-03-11
4547813 Apparatus for controlling light distribution in line scan optical imaging systems Cobern E. McGraw, Robert Gazzero 1985-10-15