BC

Billy Cheng

Overall (All Time): #1,053,745 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5609249 Compact disc holder assembly — 1997-03-11
5206757 Collapsible field glasses Mao-Te Chu 1993-04-27
D333382 Disc storage container — 1993-02-23
5176250 Handy disk storage box — 1993-01-05
D321360 Foldable advertisement slide projector — 1991-11-05