DC

Dido Cheng

Overall (All Time): #464,035 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
D745090 Saturn-shaped pen clip 2015-12-08
D612887 Pen 2010-03-30
D586392 Pen 2009-02-10
D586398 Pen clip 2009-02-10
D533592 Triangular pen 2006-12-12
7014379 Adjustable dual sleeve pen holding auxiliary device 2006-03-21
D510597 Character pen 2005-10-11
D504150 Character pen 2005-04-19
D503429 Character pen with massage member 2005-03-29
D486181 Combined pen and holder therefor 2004-02-03
6431720 Laser pen with safety power cutoff device 2002-08-13