DM

Duane Marhefka

KD Kent Displays: 8 patents #7 of 47Top 15%
MV Manning Ventures: 2 patents #4 of 13Top 35%
📍 Copley, OH: #44 of 327 inventorsTop 15%
🗺 Ohio: #8,027 of 73,341 inventorsTop 15%
Overall (All Time): #494,615 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11609470 Writing device including cholesteric liquid crystal and having sectional erase Todd Ernst, Don Davis, Nathan Hirt, Anthony Daniels, Clinton Braganza 2023-03-21
10649261 Liquid crystal eWriter system with resistive digitizer and having mechanical palm rejection Mark Lightfoot, Erica Montbach, Asad A. Khan 2020-05-12
10634939 Selectively erasable eWriter with user adjustment Clinton Braganza 2020-04-28
10558065 Liquid crystal writing device with slow discharge erase 2020-02-11
9134561 Writing tablet information recording device 2015-09-15
8502763 Electronic skin having uniform gray scale reflectivity Nithya Venkatataman, Sankar Barua 2013-08-06
8436847 Video rate ChLCD driving with active matrix backplanes Xiao-Yang Huang 2013-05-07
8310630 Electronic skin having uniform gray scale reflectivity Nithya Venkataraman, Sankar Barua 2012-11-13
7675239 Power management method and device for low-power displays Todd Ernst, Xiao-Yang Huang 2010-03-09
7479940 Display device with electrical zipper interconnect 2009-01-20