DC

David Cheng Cheng

PD Pdg: 1 patents #1 of 7Top 15%
📍 Delta, CA: #8 of 30 inventorsTop 30%
Overall (2011): #325,077 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7871094 Reconfigurable tilt wheelchair Nancy Balcom, Louis Belanger, Torr Brown, Janusz Krawczynski, Phil Mundy +1 more 2011-01-18