CT

Charlie Tu

CT Chuang Tao: 8 patents #1 of 1Top 100%
Overall (All Time): #427,183 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
D470529 Fluorescent pen 2003-02-18
D340947 Marking instrument 1993-11-02
5205407 Case for receiving paper clips, pins or the like 1993-04-27
D330911 Writing instrument 1992-11-10
D329873 Marking instrument 1992-09-29
D329255 Paperweight 1992-09-08
D328922 Paperweight 1992-08-25
D328923 Paperweight 1992-08-25
D328309 Paper shredding machine or similar article 1992-07-28
D325395 Paper clip container or similar article 1992-04-14
D323189 Pen or similar article 1992-01-14
D321905 Twin-nibbed writing instrument 1991-11-26