KC

Kin Fai Chang

MA Mattel: 3 patents #6 of 83Top 8%
Overall (2016): #65,558 of 481,213Top 15%
3
Patents 2016

Issued Patents 2016

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9354020 Dual compression spring projectile launcher Chun Wing Wong 2016-05-31
9302193 Corner booster for toy vehicle track set Louis Luk Kwok Yau 2016-04-05
9261336 Toy projectile and method of making Chun Wing Wong, Peter Fan, Him Fung Hau 2016-02-16